Home / 150,550.29-207,700.13-86,875.79

Finding the Fourth Proportional to 150,550.29, 207,700.13 and 86,875.79

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Solution

The fourth proportional to 150,550.29, 207,700.13 and 86,875.79 is: 119,854.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,550.29 : 207,700.13 = 86,875.79 : x
  2. Step 2: Convert to fraction form
    150,550.29/207,700.13 = 86,875.79/x
  3. Step 3: Cross multiply
    150,550.29x = 207,700.13 × 86,875.79
  4. Step 4: Simplify right side
    150,550.29x = 18,044,111,403.97
  5. Step 5: Solve for x
    x = 18,044,111,403.97/150,550.29
  6. Step 6: Final answer
    x = 119,854.38

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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.