Home / 99,450.25-149,175.77-40,287.04

Finding the Fourth Proportional to 99,450.25, 149,175.77 and 40,287.04

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Solution

The fourth proportional to 99,450.25, 149,175.77 and 40,287.04 is: 60,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,450.25 : 149,175.77 = 40,287.04 : x
  2. Step 2: Convert to fraction form
    99,450.25/149,175.77 = 40,287.04/x
  3. Step 3: Cross multiply
    99,450.25x = 149,175.77 × 40,287.04
  4. Step 4: Simplify right side
    99,450.25x = 6,009,850,213.02
  5. Step 5: Solve for x
    x = 6,009,850,213.02/99,450.25
  6. Step 6: Final answer
    x = 60,430.72

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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.