Home / 102,331.27-141,227.49-57,016.63

Finding the Fourth Proportional to 102,331.27, 141,227.49 and 57,016.63

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Solution

The fourth proportional to 102,331.27, 141,227.49 and 57,016.63 is: 78,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,331.27 : 141,227.49 = 57,016.63 : x
  2. Step 2: Convert to fraction form
    102,331.27/141,227.49 = 57,016.63/x
  3. Step 3: Cross multiply
    102,331.27x = 141,227.49 × 57,016.63
  4. Step 4: Simplify right side
    102,331.27x = 8,052,315,543.16
  5. Step 5: Solve for x
    x = 8,052,315,543.16/102,331.27
  6. Step 6: Final answer
    x = 78,688.71

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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.