Home / 127,785.08-176,343.02-71,195.96

Finding the Fourth Proportional to 127,785.08, 176,343.02 and 71,195.96

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Solution

The fourth proportional to 127,785.08, 176,343.02 and 71,195.96 is: 98,250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,785.08 : 176,343.02 = 71,195.96 : x
  2. Step 2: Convert to fraction form
    127,785.08/176,343.02 = 71,195.96/x
  3. Step 3: Cross multiply
    127,785.08x = 176,343.02 × 71,195.96
  4. Step 4: Simplify right side
    127,785.08x = 12,554,910,598.20
  5. Step 5: Solve for x
    x = 12,554,910,598.20/127,785.08
  6. Step 6: Final answer
    x = 98,250.21

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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.