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Finding the Fourth Proportional to 178,138.20, 267,207.30 and 59,813.40

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Solution

The fourth proportional to 178,138.20, 267,207.30 and 59,813.40 is: 89,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,138.20 : 267,207.30 = 59,813.40 : x
  2. Step 2: Convert to fraction form
    178,138.20/267,207.30 = 59,813.40/x
  3. Step 3: Cross multiply
    178,138.20x = 267,207.30 × 59,813.40
  4. Step 4: Simplify right side
    178,138.20x = 15,982,577,117.82
  5. Step 5: Solve for x
    x = 15,982,577,117.82/178,138.20
  6. Step 6: Final answer
    x = 89,720.10

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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.