Home / 99,835.83-149,712.15-40,631.31

Finding the Fourth Proportional to 99,835.83, 149,712.15 and 40,631.31

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Solution

The fourth proportional to 99,835.83, 149,712.15 and 40,631.31 is: 60,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,835.83 : 149,712.15 = 40,631.31 : x
  2. Step 2: Convert to fraction form
    99,835.83/149,712.15 = 40,631.31/x
  3. Step 3: Cross multiply
    99,835.83x = 149,712.15 × 40,631.31
  4. Step 4: Simplify right side
    99,835.83x = 6,083,000,777.42
  5. Step 5: Solve for x
    x = 6,083,000,777.42/99,835.83
  6. Step 6: Final answer
    x = 60,930.04

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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.