Home / 99,680.64-149,495.30-29,543.56

Finding the Fourth Proportional to 99,680.64, 149,495.30 and 29,543.56

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Solution

The fourth proportional to 99,680.64, 149,495.30 and 29,543.56 is: 44,307.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,680.64 : 149,495.30 = 29,543.56 : x
  2. Step 2: Convert to fraction form
    99,680.64/149,495.30 = 29,543.56/x
  3. Step 3: Cross multiply
    99,680.64x = 149,495.30 × 29,543.56
  4. Step 4: Simplify right side
    99,680.64x = 4,416,623,365.27
  5. Step 5: Solve for x
    x = 4,416,623,365.27/99,680.64
  6. Step 6: Final answer
    x = 44,307.73

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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.