Home / 159,923.90-220,693.56-88,302.38

Finding the Fourth Proportional to 159,923.90, 220,693.56 and 88,302.38

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Solution

The fourth proportional to 159,923.90, 220,693.56 and 88,302.38 is: 121,856.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,923.90 : 220,693.56 = 88,302.38 : x
  2. Step 2: Convert to fraction form
    159,923.90/220,693.56 = 88,302.38/x
  3. Step 3: Cross multiply
    159,923.90x = 220,693.56 × 88,302.38
  4. Step 4: Simplify right side
    159,923.90x = 19,487,766,598.67
  5. Step 5: Solve for x
    x = 19,487,766,598.67/159,923.90
  6. Step 6: Final answer
    x = 121,856.50

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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.