Home / 372,102.90-558,154.35-135,414.83

Finding the Fourth Proportional to 372,102.90, 558,154.35 and 135,414.83

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Solution

The fourth proportional to 372,102.90, 558,154.35 and 135,414.83 is: 203,122.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,102.90 : 558,154.35 = 135,414.83 : x
  2. Step 2: Convert to fraction form
    372,102.90/558,154.35 = 135,414.83/x
  3. Step 3: Cross multiply
    372,102.90x = 558,154.35 × 135,414.83
  4. Step 4: Simplify right side
    372,102.90x = 75,582,373,628.24
  5. Step 5: Solve for x
    x = 75,582,373,628.24/372,102.90
  6. Step 6: Final answer
    x = 203,122.24

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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.