Home / 126,280.91-189,425.47-66,294.24

Finding the Fourth Proportional to 126,280.91, 189,425.47 and 66,294.24

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Solution

The fourth proportional to 126,280.91, 189,425.47 and 66,294.24 is: 99,443.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,280.91 : 189,425.47 = 66,294.24 : x
  2. Step 2: Convert to fraction form
    126,280.91/189,425.47 = 66,294.24/x
  3. Step 3: Cross multiply
    126,280.91x = 189,425.47 × 66,294.24
  4. Step 4: Simplify right side
    126,280.91x = 12,557,817,570.29
  5. Step 5: Solve for x
    x = 12,557,817,570.29/126,280.91
  6. Step 6: Final answer
    x = 99,443.52

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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.