Home / 145,229.78-217,929.94-60,983.46

Finding the Fourth Proportional to 145,229.78, 217,929.94 and 60,983.46

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Solution

The fourth proportional to 145,229.78, 217,929.94 and 60,983.46 is: 91,510.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,229.78 : 217,929.94 = 60,983.46 : x
  2. Step 2: Convert to fraction form
    145,229.78/217,929.94 = 60,983.46/x
  3. Step 3: Cross multiply
    145,229.78x = 217,929.94 × 60,983.46
  4. Step 4: Simplify right side
    145,229.78x = 13,290,121,626.33
  5. Step 5: Solve for x
    x = 13,290,121,626.33/145,229.78
  6. Step 6: Final answer
    x = 91,510.99

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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.