Home / 178,749.18-267,715.36-85,320.54

Finding the Fourth Proportional to 178,749.18, 267,715.36 and 85,320.54

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Solution

The fourth proportional to 178,749.18, 267,715.36 and 85,320.54 is: 127,785.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,749.18 : 267,715.36 = 85,320.54 : x
  2. Step 2: Convert to fraction form
    178,749.18/267,715.36 = 85,320.54/x
  3. Step 3: Cross multiply
    178,749.18x = 267,715.36 × 85,320.54
  4. Step 4: Simplify right side
    178,749.18x = 22,841,619,081.49
  5. Step 5: Solve for x
    x = 22,841,619,081.49/178,749.18
  6. Step 6: Final answer
    x = 127,785.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.