Home / 102,306.69-141,205.02-68,753.25

Finding the Fourth Proportional to 102,306.69, 141,205.02 and 68,753.25

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Solution

The fourth proportional to 102,306.69, 141,205.02 and 68,753.25 is: 94,894.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,306.69 : 141,205.02 = 68,753.25 : x
  2. Step 2: Convert to fraction form
    102,306.69/141,205.02 = 68,753.25/x
  3. Step 3: Cross multiply
    102,306.69x = 141,205.02 × 68,753.25
  4. Step 4: Simplify right side
    102,306.69x = 9,708,304,041.32
  5. Step 5: Solve for x
    x = 9,708,304,041.32/102,306.69
  6. Step 6: Final answer
    x = 94,894.13

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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.