Home / 80,292.60-120,445.13-24,128.32

Finding the Fourth Proportional to 80,292.60, 120,445.13 and 24,128.32

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Solution

The fourth proportional to 80,292.60, 120,445.13 and 24,128.32 is: 36,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,292.60 : 120,445.13 = 24,128.32 : x
  2. Step 2: Convert to fraction form
    80,292.60/120,445.13 = 24,128.32/x
  3. Step 3: Cross multiply
    80,292.60x = 120,445.13 × 24,128.32
  4. Step 4: Simplify right side
    80,292.60x = 2,906,138,639.08
  5. Step 5: Solve for x
    x = 2,906,138,639.08/80,292.60
  6. Step 6: Final answer
    x = 36,194.35

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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.