Home / 91,720.20-137,500.30-35,598.60

Finding the Fourth Proportional to 91,720.20, 137,500.30 and 35,598.60

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Solution

The fourth proportional to 91,720.20, 137,500.30 and 35,598.60 is: 53,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,720.20 : 137,500.30 = 35,598.60 : x
  2. Step 2: Convert to fraction form
    91,720.20/137,500.30 = 35,598.60/x
  3. Step 3: Cross multiply
    91,720.20x = 137,500.30 × 35,598.60
  4. Step 4: Simplify right side
    91,720.20x = 4,894,818,179.58
  5. Step 5: Solve for x
    x = 4,894,818,179.58/91,720.20
  6. Step 6: Final answer
    x = 53,366.85

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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.