Home / 661,748.42-992,622.81-163,112.42

Finding the Fourth Proportional to 661,748.42, 992,622.81 and 163,112.42

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Solution

The fourth proportional to 661,748.42, 992,622.81 and 163,112.42 is: 244,668.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,748.42 : 992,622.81 = 163,112.42 : x
  2. Step 2: Convert to fraction form
    661,748.42/992,622.81 = 163,112.42/x
  3. Step 3: Cross multiply
    661,748.42x = 992,622.81 × 163,112.42
  4. Step 4: Simplify right side
    661,748.42x = 161,909,103,723.19
  5. Step 5: Solve for x
    x = 161,909,103,723.19/661,748.42
  6. Step 6: Final answer
    x = 244,668.67

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.