Home / 151,640.30-227,460.45-72,713.90

Finding the Fourth Proportional to 151,640.30, 227,460.45 and 72,713.90

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Solution

The fourth proportional to 151,640.30, 227,460.45 and 72,713.90 is: 109,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,640.30 : 227,460.45 = 72,713.90 : x
  2. Step 2: Convert to fraction form
    151,640.30/227,460.45 = 72,713.90/x
  3. Step 3: Cross multiply
    151,640.30x = 227,460.45 × 72,713.90
  4. Step 4: Simplify right side
    151,640.30x = 16,539,536,415.26
  5. Step 5: Solve for x
    x = 16,539,536,415.26/151,640.30
  6. Step 6: Final answer
    x = 109,070.85

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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.