Home / 127,737.30-176,282.94-71,148.72

Finding the Fourth Proportional to 127,737.30, 176,282.94 and 71,148.72

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Solution

The fourth proportional to 127,737.30, 176,282.94 and 71,148.72 is: 98,188.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,737.30 : 176,282.94 = 71,148.72 : x
  2. Step 2: Convert to fraction form
    127,737.30/176,282.94 = 71,148.72/x
  3. Step 3: Cross multiply
    127,737.30x = 176,282.94 × 71,148.72
  4. Step 4: Simplify right side
    127,737.30x = 12,542,305,538.84
  5. Step 5: Solve for x
    x = 12,542,305,538.84/127,737.30
  6. Step 6: Final answer
    x = 98,188.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.