Home / 124,812.30-187,218.45-123,500.10

Finding the Fourth Proportional to 124,812.30, 187,218.45 and 123,500.10

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Solution

The fourth proportional to 124,812.30, 187,218.45 and 123,500.10 is: 185,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,812.30 : 187,218.45 = 123,500.10 : x
  2. Step 2: Convert to fraction form
    124,812.30/187,218.45 = 123,500.10/x
  3. Step 3: Cross multiply
    124,812.30x = 187,218.45 × 123,500.10
  4. Step 4: Simplify right side
    124,812.30x = 23,121,497,296.85
  5. Step 5: Solve for x
    x = 23,121,497,296.85/124,812.30
  6. Step 6: Final answer
    x = 185,250.15

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1.5x scale

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.