Home / 91,498.20-137,247.30-29,168.70

Finding the Fourth Proportional to 91,498.20, 137,247.30 and 29,168.70

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Solution

The fourth proportional to 91,498.20, 137,247.30 and 29,168.70 is: 43,753.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,498.20 : 137,247.30 = 29,168.70 : x
  2. Step 2: Convert to fraction form
    91,498.20/137,247.30 = 29,168.70/x
  3. Step 3: Cross multiply
    91,498.20x = 137,247.30 × 29,168.70
  4. Step 4: Simplify right side
    91,498.20x = 4,003,325,319.51
  5. Step 5: Solve for x
    x = 4,003,325,319.51/91,498.20
  6. Step 6: Final answer
    x = 43,753.05

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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.