Home / 102,934.15-142,006.83-62,641.30

Finding the Fourth Proportional to 102,934.15, 142,006.83 and 62,641.30

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Solution

The fourth proportional to 102,934.15, 142,006.83 and 62,641.30 is: 86,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,934.15 : 142,006.83 = 62,641.30 : x
  2. Step 2: Convert to fraction form
    102,934.15/142,006.83 = 62,641.30/x
  3. Step 3: Cross multiply
    102,934.15x = 142,006.83 × 62,641.30
  4. Step 4: Simplify right side
    102,934.15x = 8,895,492,440.08
  5. Step 5: Solve for x
    x = 8,895,492,440.08/102,934.15
  6. Step 6: Final answer
    x = 86,419.25

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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.