Home / 147,020.94-220,505.08-38,951.04

Finding the Fourth Proportional to 147,020.94, 220,505.08 and 38,951.04

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Solution

The fourth proportional to 147,020.94, 220,505.08 and 38,951.04 is: 58,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,020.94 : 220,505.08 = 38,951.04 : x
  2. Step 2: Convert to fraction form
    147,020.94/220,505.08 = 38,951.04/x
  3. Step 3: Cross multiply
    147,020.94x = 220,505.08 × 38,951.04
  4. Step 4: Simplify right side
    147,020.94x = 8,588,902,191.28
  5. Step 5: Solve for x
    x = 8,588,902,191.28/147,020.94
  6. Step 6: Final answer
    x = 58,419.58

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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.