Home / 102,542.32-141,464.77-64,275.74

Finding the Fourth Proportional to 102,542.32, 141,464.77 and 64,275.74

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Solution

The fourth proportional to 102,542.32, 141,464.77 and 64,275.74 is: 88,673.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,542.32 : 141,464.77 = 64,275.74 : x
  2. Step 2: Convert to fraction form
    102,542.32/141,464.77 = 64,275.74/x
  3. Step 3: Cross multiply
    102,542.32x = 141,464.77 × 64,275.74
  4. Step 4: Simplify right side
    102,542.32x = 9,092,752,775.68
  5. Step 5: Solve for x
    x = 9,092,752,775.68/102,542.32
  6. Step 6: Final answer
    x = 88,673.17

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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.