Home / 80,288.61-120,439.14-24,124.32

Finding the Fourth Proportional to 80,288.61, 120,439.14 and 24,124.32

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Solution

The fourth proportional to 80,288.61, 120,439.14 and 24,124.32 is: 36,188.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,288.61 : 120,439.14 = 24,124.32 : x
  2. Step 2: Convert to fraction form
    80,288.61/120,439.14 = 24,124.32/x
  3. Step 3: Cross multiply
    80,288.61x = 120,439.14 × 24,124.32
  4. Step 4: Simplify right side
    80,288.61x = 2,905,512,353.88
  5. Step 5: Solve for x
    x = 2,905,512,353.88/80,288.61
  6. Step 6: Final answer
    x = 36,188.35

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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.