Home / 149,444.12-206,127.36-88,967.92

Finding the Fourth Proportional to 149,444.12, 206,127.36 and 88,967.92

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Solution

The fourth proportional to 149,444.12, 206,127.36 and 88,967.92 is: 122,712.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,444.12 : 206,127.36 = 88,967.92 : x
  2. Step 2: Convert to fraction form
    149,444.12/206,127.36 = 88,967.92/x
  3. Step 3: Cross multiply
    149,444.12x = 206,127.36 × 88,967.92
  4. Step 4: Simplify right side
    149,444.12x = 18,338,722,474.29
  5. Step 5: Solve for x
    x = 18,338,722,474.29/149,444.12
  6. Step 6: Final answer
    x = 122,712.91

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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.