Home / 102,304.86-141,170.52-56,981.10

Finding the Fourth Proportional to 102,304.86, 141,170.52 and 56,981.10

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Solution

The fourth proportional to 102,304.86, 141,170.52 and 56,981.10 is: 78,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,304.86 : 141,170.52 = 56,981.10 : x
  2. Step 2: Convert to fraction form
    102,304.86/141,170.52 = 56,981.10/x
  3. Step 3: Cross multiply
    102,304.86x = 141,170.52 × 56,981.10
  4. Step 4: Simplify right side
    102,304.86x = 8,044,051,517.17
  5. Step 5: Solve for x
    x = 8,044,051,517.17/102,304.86
  6. Step 6: Final answer
    x = 78,628.24

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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.