Home / 99,982.60-149,976.30-29,864.20

Finding the Fourth Proportional to 99,982.60, 149,976.30 and 29,864.20

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Solution

The fourth proportional to 99,982.60, 149,976.30 and 29,864.20 is: 44,797.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,982.60 : 149,976.30 = 29,864.20 : x
  2. Step 2: Convert to fraction form
    99,982.60/149,976.30 = 29,864.20/x
  3. Step 3: Cross multiply
    99,982.60x = 149,976.30 × 29,864.20
  4. Step 4: Simplify right side
    99,982.60x = 4,478,922,218.46
  5. Step 5: Solve for x
    x = 4,478,922,218.46/99,982.60
  6. Step 6: Final answer
    x = 44,797.02

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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.