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Finding the Fourth Proportional to 163,288.68, 225,337.47 and 91,668.69

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Solution

The fourth proportional to 163,288.68, 225,337.47 and 91,668.69 is: 126,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,288.68 : 225,337.47 = 91,668.69 : x
  2. Step 2: Convert to fraction form
    163,288.68/225,337.47 = 91,668.69/x
  3. Step 3: Cross multiply
    163,288.68x = 225,337.47 × 91,668.69
  4. Step 4: Simplify right side
    163,288.68x = 20,656,390,682.81
  5. Step 5: Solve for x
    x = 20,656,390,682.81/163,288.68
  6. Step 6: Final answer
    x = 126,502.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.