Home / 136,282.79-187,990.54-88,567.92

Finding the Fourth Proportional to 136,282.79, 187,990.54 and 88,567.92

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Solution

The fourth proportional to 136,282.79, 187,990.54 and 88,567.92 is: 122,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,282.79 : 187,990.54 = 88,567.92 : x
  2. Step 2: Convert to fraction form
    136,282.79/187,990.54 = 88,567.92/x
  3. Step 3: Cross multiply
    136,282.79x = 187,990.54 × 88,567.92
  4. Step 4: Simplify right side
    136,282.79x = 16,649,930,886.06
  5. Step 5: Solve for x
    x = 16,649,930,886.06/136,282.79
  6. Step 6: Final answer
    x = 122,171.92

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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.