Home / 159,567.12-220,148.82-99,116.28

Finding the Fourth Proportional to 159,567.12, 220,148.82 and 99,116.28

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Solution

The fourth proportional to 159,567.12, 220,148.82 and 99,116.28 is: 136,747.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,567.12 : 220,148.82 = 99,116.28 : x
  2. Step 2: Convert to fraction form
    159,567.12/220,148.82 = 99,116.28/x
  3. Step 3: Cross multiply
    159,567.12x = 220,148.82 × 99,116.28
  4. Step 4: Simplify right side
    159,567.12x = 21,820,332,084.79
  5. Step 5: Solve for x
    x = 21,820,332,084.79/159,567.12
  6. Step 6: Final answer
    x = 136,747.04

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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.