Home / 138,176.61-207,265.26-38,342.16

Finding the Fourth Proportional to 138,176.61, 207,265.26 and 38,342.16

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Solution

The fourth proportional to 138,176.61, 207,265.26 and 38,342.16 is: 57,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,176.61 : 207,265.26 = 38,342.16 : x
  2. Step 2: Convert to fraction form
    138,176.61/207,265.26 = 38,342.16/x
  3. Step 3: Cross multiply
    138,176.61x = 207,265.26 × 38,342.16
  4. Step 4: Simplify right side
    138,176.61x = 7,946,997,761.36
  5. Step 5: Solve for x
    x = 7,946,997,761.36/138,176.61
  6. Step 6: Final answer
    x = 57,513.34

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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.