Home / 145,229.90-217,930.11-60,983.58

Finding the Fourth Proportional to 145,229.90, 217,930.11 and 60,983.58

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Solution

The fourth proportional to 145,229.90, 217,930.11 and 60,983.58 is: 91,511.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,229.90 : 217,930.11 = 60,983.58 : x
  2. Step 2: Convert to fraction form
    145,229.90/217,930.11 = 60,983.58/x
  3. Step 3: Cross multiply
    145,229.90x = 217,930.11 × 60,983.58
  4. Step 4: Simplify right side
    145,229.90x = 13,290,158,297.59
  5. Step 5: Solve for x
    x = 13,290,158,297.59/145,229.90
  6. Step 6: Final answer
    x = 91,511.17

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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.