Home / 159,834.89-220,563.51-99,403.83

Finding the Fourth Proportional to 159,834.89, 220,563.51 and 99,403.83

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Solution

The fourth proportional to 159,834.89, 220,563.51 and 99,403.83 is: 137,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,834.89 : 220,563.51 = 99,403.83 : x
  2. Step 2: Convert to fraction form
    159,834.89/220,563.51 = 99,403.83/x
  3. Step 3: Cross multiply
    159,834.89x = 220,563.51 × 99,403.83
  4. Step 4: Simplify right side
    159,834.89x = 21,924,857,652.24
  5. Step 5: Solve for x
    x = 21,924,857,652.24/159,834.89
  6. Step 6: Final answer
    x = 137,171.92

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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.