Home / 159,827.90-220,561.70-88,212.29

Finding the Fourth Proportional to 159,827.90, 220,561.70 and 88,212.29

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Solution

The fourth proportional to 159,827.90, 220,561.70 and 88,212.29 is: 121,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,827.90 : 220,561.70 = 88,212.29 : x
  2. Step 2: Convert to fraction form
    159,827.90/220,561.70 = 88,212.29/x
  3. Step 3: Cross multiply
    159,827.90x = 220,561.70 × 88,212.29
  4. Step 4: Simplify right side
    159,827.90x = 19,456,251,099.42
  5. Step 5: Solve for x
    x = 19,456,251,099.42/159,827.90
  6. Step 6: Final answer
    x = 121,732.51

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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.