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Finding the Fourth Proportional to 178,048.30, 267,098.68 and 51,672.10

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Solution

The fourth proportional to 178,048.30, 267,098.68 and 51,672.10 is: 77,515.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,048.30 : 267,098.68 = 51,672.10 : x
  2. Step 2: Convert to fraction form
    178,048.30/267,098.68 = 51,672.10/x
  3. Step 3: Cross multiply
    178,048.30x = 267,098.68 × 51,672.10
  4. Step 4: Simplify right side
    178,048.30x = 13,801,549,702.83
  5. Step 5: Solve for x
    x = 13,801,549,702.83/178,048.30
  6. Step 6: Final answer
    x = 77,515.76

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1.5x scale

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.