Home / 136,283.04-187,990.88-88,568.18

Finding the Fourth Proportional to 136,283.04, 187,990.88 and 88,568.18

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Solution

The fourth proportional to 136,283.04, 187,990.88 and 88,568.18 is: 122,172.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,283.04 : 187,990.88 = 88,568.18 : x
  2. Step 2: Convert to fraction form
    136,283.04/187,990.88 = 88,568.18/x
  3. Step 3: Cross multiply
    136,283.04x = 187,990.88 × 88,568.18
  4. Step 4: Simplify right side
    136,283.04x = 16,650,010,098.20
  5. Step 5: Solve for x
    x = 16,650,010,098.20/136,283.04
  6. Step 6: Final answer
    x = 122,172.28

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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.