Home / 124,735.02-187,149-74,850.90

Finding the Fourth Proportional to 124,735.02, 187,149 and 74,850.90

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Solution

The fourth proportional to 124,735.02, 187,149 and 74,850.90 is: 112,304.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,735.02 : 187,149 = 74,850.90 : x
  2. Step 2: Convert to fraction form
    124,735.02/187,149 = 74,850.90/x
  3. Step 3: Cross multiply
    124,735.02x = 187,149 × 74,850.90
  4. Step 4: Simplify right side
    124,735.02x = 14,008,271,084.10
  5. Step 5: Solve for x
    x = 14,008,271,084.10/124,735.02
  6. Step 6: Final answer
    x = 112,304.24

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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.