Home / 123,403.03-185,104.55-29,908.78

Finding the Fourth Proportional to 123,403.03, 185,104.55 and 29,908.78

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Solution

The fourth proportional to 123,403.03, 185,104.55 and 29,908.78 is: 44,863.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,403.03 : 185,104.55 = 29,908.78 : x
  2. Step 2: Convert to fraction form
    123,403.03/185,104.55 = 29,908.78/x
  3. Step 3: Cross multiply
    123,403.03x = 185,104.55 × 29,908.78
  4. Step 4: Simplify right side
    123,403.03x = 5,536,251,262.95
  5. Step 5: Solve for x
    x = 5,536,251,262.95/123,403.03
  6. Step 6: Final answer
    x = 44,863.17

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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.