Home / 129,080.50-193,340.37-62,380.76

Finding the Fourth Proportional to 129,080.50, 193,340.37 and 62,380.76

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Solution

The fourth proportional to 129,080.50, 193,340.37 and 62,380.76 is: 93,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,080.50 : 193,340.37 = 62,380.76 : x
  2. Step 2: Convert to fraction form
    129,080.50/193,340.37 = 62,380.76/x
  3. Step 3: Cross multiply
    129,080.50x = 193,340.37 × 62,380.76
  4. Step 4: Simplify right side
    129,080.50x = 12,060,718,679.39
  5. Step 5: Solve for x
    x = 12,060,718,679.39/129,080.50
  6. Step 6: Final answer
    x = 93,435.64

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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.