Home / 126,337.95-189,343.04-51,370.83

Finding the Fourth Proportional to 126,337.95, 189,343.04 and 51,370.83

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Solution

The fourth proportional to 126,337.95, 189,343.04 and 51,370.83 is: 76,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,337.95 : 189,343.04 = 51,370.83 : x
  2. Step 2: Convert to fraction form
    126,337.95/189,343.04 = 51,370.83/x
  3. Step 3: Cross multiply
    126,337.95x = 189,343.04 × 51,370.83
  4. Step 4: Simplify right side
    126,337.95x = 9,726,708,862.67
  5. Step 5: Solve for x
    x = 9,726,708,862.67/126,337.95
  6. Step 6: Final answer
    x = 76,989.60

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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.