Home / 178,748.88-267,715.02-85,320.24

Finding the Fourth Proportional to 178,748.88, 267,715.02 and 85,320.24

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Solution

The fourth proportional to 178,748.88, 267,715.02 and 85,320.24 is: 127,785.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,748.88 : 267,715.02 = 85,320.24 : x
  2. Step 2: Convert to fraction form
    178,748.88/267,715.02 = 85,320.24/x
  3. Step 3: Cross multiply
    178,748.88x = 267,715.02 × 85,320.24
  4. Step 4: Simplify right side
    178,748.88x = 22,841,509,758.00
  5. Step 5: Solve for x
    x = 22,841,509,758.00/178,748.88
  6. Step 6: Final answer
    x = 127,785.47

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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.