Home / 126,000.38-189,001.98-53,943.59

Finding the Fourth Proportional to 126,000.38, 189,001.98 and 53,943.59

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Solution

The fourth proportional to 126,000.38, 189,001.98 and 53,943.59 is: 80,915.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,000.38 : 189,001.98 = 53,943.59 : x
  2. Step 2: Convert to fraction form
    126,000.38/189,001.98 = 53,943.59/x
  3. Step 3: Cross multiply
    126,000.38x = 189,001.98 × 53,943.59
  4. Step 4: Simplify right side
    126,000.38x = 10,195,444,373.30
  5. Step 5: Solve for x
    x = 10,195,444,373.30/126,000.38
  6. Step 6: Final answer
    x = 80,915.98

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1.5x scale

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.