Home / 126,144.35-189,216.52-59,591.20

Finding the Fourth Proportional to 126,144.35, 189,216.52 and 59,591.20

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Solution

The fourth proportional to 126,144.35, 189,216.52 and 59,591.20 is: 89,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,144.35 : 189,216.52 = 59,591.20 : x
  2. Step 2: Convert to fraction form
    126,144.35/189,216.52 = 59,591.20/x
  3. Step 3: Cross multiply
    126,144.35x = 189,216.52 × 59,591.20
  4. Step 4: Simplify right side
    126,144.35x = 11,275,639,188.67
  5. Step 5: Solve for x
    x = 11,275,639,188.67/126,144.35
  6. Step 6: Final answer
    x = 89,386.80

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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.