Home / 188,143.15-259,637.61-107,572.24

Finding the Fourth Proportional to 188,143.15, 259,637.61 and 107,572.24

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Solution

The fourth proportional to 188,143.15, 259,637.61 and 107,572.24 is: 148,449.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,143.15 : 259,637.61 = 107,572.24 : x
  2. Step 2: Convert to fraction form
    188,143.15/259,637.61 = 107,572.24/x
  3. Step 3: Cross multiply
    188,143.15x = 259,637.61 × 107,572.24
  4. Step 4: Simplify right side
    188,143.15x = 27,929,799,295.95
  5. Step 5: Solve for x
    x = 27,929,799,295.95/188,143.15
  6. Step 6: Final answer
    x = 148,449.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.