Home / 238,142.36-357,179.88-80,350.04

Finding the Fourth Proportional to 238,142.36, 357,179.88 and 80,350.04

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Solution

The fourth proportional to 238,142.36, 357,179.88 and 80,350.04 is: 120,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,142.36 : 357,179.88 = 80,350.04 : x
  2. Step 2: Convert to fraction form
    238,142.36/357,179.88 = 80,350.04/x
  3. Step 3: Cross multiply
    238,142.36x = 357,179.88 × 80,350.04
  4. Step 4: Simplify right side
    238,142.36x = 28,699,417,645.20
  5. Step 5: Solve for x
    x = 28,699,417,645.20/238,142.36
  6. Step 6: Final answer
    x = 120,513.70

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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.