Home / 97,753.49-146,733.92-86,581.35

Finding the Fourth Proportional to 97,753.49, 146,733.92 and 86,581.35

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Solution

The fourth proportional to 97,753.49, 146,733.92 and 86,581.35 is: 129,963.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,753.49 : 146,733.92 = 86,581.35 : x
  2. Step 2: Convert to fraction form
    97,753.49/146,733.92 = 86,581.35/x
  3. Step 3: Cross multiply
    97,753.49x = 146,733.92 × 86,581.35
  4. Step 4: Simplify right side
    97,753.49x = 12,704,420,451.49
  5. Step 5: Solve for x
    x = 12,704,420,451.49/97,753.49
  6. Step 6: Final answer
    x = 129,963.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.