Home / 159,567.56-220,202.13-87,947.62

Finding the Fourth Proportional to 159,567.56, 220,202.13 and 87,947.62

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Solution

The fourth proportional to 159,567.56, 220,202.13 and 87,947.62 is: 121,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,567.56 : 220,202.13 = 87,947.62 : x
  2. Step 2: Convert to fraction form
    159,567.56/220,202.13 = 87,947.62/x
  3. Step 3: Cross multiply
    159,567.56x = 220,202.13 × 87,947.62
  4. Step 4: Simplify right side
    159,567.56x = 19,366,253,252.43
  5. Step 5: Solve for x
    x = 19,366,253,252.43/159,567.56
  6. Step 6: Final answer
    x = 121,367.11

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1.5x scale

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.