Home / 100,669.11-151,004.07-30,549.03

Finding the Fourth Proportional to 100,669.11, 151,004.07 and 30,549.03

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Solution

The fourth proportional to 100,669.11, 151,004.07 and 30,549.03 is: 45,823.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,669.11 : 151,004.07 = 30,549.03 : x
  2. Step 2: Convert to fraction form
    100,669.11/151,004.07 = 30,549.03/x
  3. Step 3: Cross multiply
    100,669.11x = 151,004.07 × 30,549.03
  4. Step 4: Simplify right side
    100,669.11x = 4,613,027,864.55
  5. Step 5: Solve for x
    x = 4,613,027,864.55/100,669.11
  6. Step 6: Final answer
    x = 45,823.67

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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.