Home / 127,810.56-176,373.12-71,223.04

Finding the Fourth Proportional to 127,810.56, 176,373.12 and 71,223.04

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Solution

The fourth proportional to 127,810.56, 176,373.12 and 71,223.04 is: 98,284.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,810.56 : 176,373.12 = 71,223.04 : x
  2. Step 2: Convert to fraction form
    127,810.56/176,373.12 = 71,223.04/x
  3. Step 3: Cross multiply
    127,810.56x = 176,373.12 × 71,223.04
  4. Step 4: Simplify right side
    127,810.56x = 12,561,829,780.68
  5. Step 5: Solve for x
    x = 12,561,829,780.68/127,810.56
  6. Step 6: Final answer
    x = 98,284.76

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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.