Home / 145,036.92-217,549.89-39,853.14

Finding the Fourth Proportional to 145,036.92, 217,549.89 and 39,853.14

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Solution

The fourth proportional to 145,036.92, 217,549.89 and 39,853.14 is: 59,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,036.92 : 217,549.89 = 39,853.14 : x
  2. Step 2: Convert to fraction form
    145,036.92/217,549.89 = 39,853.14/x
  3. Step 3: Cross multiply
    145,036.92x = 217,549.89 × 39,853.14
  4. Step 4: Simplify right side
    145,036.92x = 8,670,046,223.15
  5. Step 5: Solve for x
    x = 8,670,046,223.15/145,036.92
  6. Step 6: Final answer
    x = 59,778.20

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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.