Home / 158,542.30-218,785.89-86,922.94

Finding the Fourth Proportional to 158,542.30, 218,785.89 and 86,922.94

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Solution

The fourth proportional to 158,542.30, 218,785.89 and 86,922.94 is: 119,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,542.30 : 218,785.89 = 86,922.94 : x
  2. Step 2: Convert to fraction form
    158,542.30/218,785.89 = 86,922.94/x
  3. Step 3: Cross multiply
    158,542.30x = 218,785.89 × 86,922.94
  4. Step 4: Simplify right side
    158,542.30x = 19,017,512,789.32
  5. Step 5: Solve for x
    x = 19,017,512,789.32/158,542.30
  6. Step 6: Final answer
    x = 119,952.30

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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.