Home / 242,664.60-363,996.90-84,872.55

Finding the Fourth Proportional to 242,664.60, 363,996.90 and 84,872.55

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Solution

The fourth proportional to 242,664.60, 363,996.90 and 84,872.55 is: 127,308.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,664.60 : 363,996.90 = 84,872.55 : x
  2. Step 2: Convert to fraction form
    242,664.60/363,996.90 = 84,872.55/x
  3. Step 3: Cross multiply
    242,664.60x = 363,996.90 × 84,872.55
  4. Step 4: Simplify right side
    242,664.60x = 30,893,345,095.10
  5. Step 5: Solve for x
    x = 30,893,345,095.10/242,664.60
  6. Step 6: Final answer
    x = 127,308.83

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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.