Home / 99,736.90-149,612.10-40,573.60

Finding the Fourth Proportional to 99,736.90, 149,612.10 and 40,573.60

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Solution

The fourth proportional to 99,736.90, 149,612.10 and 40,573.60 is: 60,863.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,736.90 : 149,612.10 = 40,573.60 : x
  2. Step 2: Convert to fraction form
    99,736.90/149,612.10 = 40,573.60/x
  3. Step 3: Cross multiply
    99,736.90x = 149,612.10 × 40,573.60
  4. Step 4: Simplify right side
    99,736.90x = 6,070,301,500.56
  5. Step 5: Solve for x
    x = 6,070,301,500.56/99,736.90
  6. Step 6: Final answer
    x = 60,863.15

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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.