Home / 148,239.57-204,572.20-80,257.96

Finding the Fourth Proportional to 148,239.57, 204,572.20 and 80,257.96

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Solution

The fourth proportional to 148,239.57, 204,572.20 and 80,257.96 is: 110,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,239.57 : 204,572.20 = 80,257.96 : x
  2. Step 2: Convert to fraction form
    148,239.57/204,572.20 = 80,257.96/x
  3. Step 3: Cross multiply
    148,239.57x = 204,572.20 × 80,257.96
  4. Step 4: Simplify right side
    148,239.57x = 16,418,547,444.71
  5. Step 5: Solve for x
    x = 16,418,547,444.71/148,239.57
  6. Step 6: Final answer
    x = 110,756.85

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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.