Home / 127,727.92-176,264.24-71,152.64

Finding the Fourth Proportional to 127,727.92, 176,264.24 and 71,152.64

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Solution

The fourth proportional to 127,727.92, 176,264.24 and 71,152.64 is: 98,190.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,727.92 : 176,264.24 = 71,152.64 : x
  2. Step 2: Convert to fraction form
    127,727.92/176,264.24 = 71,152.64/x
  3. Step 3: Cross multiply
    127,727.92x = 176,264.24 × 71,152.64
  4. Step 4: Simplify right side
    127,727.92x = 12,541,666,013.59
  5. Step 5: Solve for x
    x = 12,541,666,013.59/127,727.92
  6. Step 6: Final answer
    x = 98,190.48

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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.