Home / 180,686.62-271,278.20-91,999.72

Finding the Fourth Proportional to 180,686.62, 271,278.20 and 91,999.72

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Solution

The fourth proportional to 180,686.62, 271,278.20 and 91,999.72 is: 138,125.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,686.62 : 271,278.20 = 91,999.72 : x
  2. Step 2: Convert to fraction form
    180,686.62/271,278.20 = 91,999.72/x
  3. Step 3: Cross multiply
    180,686.62x = 271,278.20 × 91,999.72
  4. Step 4: Simplify right side
    180,686.62x = 24,957,518,442.10
  5. Step 5: Solve for x
    x = 24,957,518,442.10/180,686.62
  6. Step 6: Final answer
    x = 138,125.99

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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.