Home / 127,942.56-176,560.29-71,353.89

Finding the Fourth Proportional to 127,942.56, 176,560.29 and 71,353.89

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Solution

The fourth proportional to 127,942.56, 176,560.29 and 71,353.89 is: 98,468.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,942.56 : 176,560.29 = 71,353.89 : x
  2. Step 2: Convert to fraction form
    127,942.56/176,560.29 = 71,353.89/x
  3. Step 3: Cross multiply
    127,942.56x = 176,560.29 × 71,353.89
  4. Step 4: Simplify right side
    127,942.56x = 12,598,263,511.03
  5. Step 5: Solve for x
    x = 12,598,263,511.03/127,942.56
  6. Step 6: Final answer
    x = 98,468.12

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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.