Home / 136,288.80-187,998.81-88,573.92

Finding the Fourth Proportional to 136,288.80, 187,998.81 and 88,573.92

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Solution

The fourth proportional to 136,288.80, 187,998.81 and 88,573.92 is: 122,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,288.80 : 187,998.81 = 88,573.92 : x
  2. Step 2: Convert to fraction form
    136,288.80/187,998.81 = 88,573.92/x
  3. Step 3: Cross multiply
    136,288.80x = 187,998.81 × 88,573.92
  4. Step 4: Simplify right side
    136,288.80x = 16,651,791,557.04
  5. Step 5: Solve for x
    x = 16,651,791,557.04/136,288.80
  6. Step 6: Final answer
    x = 122,180.19

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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.