Home / 96,621.60-144,932.40-80,000.40

Finding the Fourth Proportional to 96,621.60, 144,932.40 and 80,000.40

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Solution

The fourth proportional to 96,621.60, 144,932.40 and 80,000.40 is: 120,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,621.60 : 144,932.40 = 80,000.40 : x
  2. Step 2: Convert to fraction form
    96,621.60/144,932.40 = 80,000.40/x
  3. Step 3: Cross multiply
    96,621.60x = 144,932.40 × 80,000.40
  4. Step 4: Simplify right side
    96,621.60x = 11,594,649,972.96
  5. Step 5: Solve for x
    x = 11,594,649,972.96/96,621.60
  6. Step 6: Final answer
    x = 120,000.60

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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.