Home / 158,541.80-218,785.20-86,922.44

Finding the Fourth Proportional to 158,541.80, 218,785.20 and 86,922.44

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Solution

The fourth proportional to 158,541.80, 218,785.20 and 86,922.44 is: 119,951.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,541.80 : 218,785.20 = 86,922.44 : x
  2. Step 2: Convert to fraction form
    158,541.80/218,785.20 = 86,922.44/x
  3. Step 3: Cross multiply
    158,541.80x = 218,785.20 × 86,922.44
  4. Step 4: Simplify right side
    158,541.80x = 19,017,343,419.89
  5. Step 5: Solve for x
    x = 19,017,343,419.89/158,541.80
  6. Step 6: Final answer
    x = 119,951.61

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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.