Home / 148,734.24-205,251.80-80,749.74

Finding the Fourth Proportional to 148,734.24, 205,251.80 and 80,749.74

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Solution

The fourth proportional to 148,734.24, 205,251.80 and 80,749.74 is: 111,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,734.24 : 205,251.80 = 80,749.74 : x
  2. Step 2: Convert to fraction form
    148,734.24/205,251.80 = 80,749.74/x
  3. Step 3: Cross multiply
    148,734.24x = 205,251.80 × 80,749.74
  4. Step 4: Simplify right side
    148,734.24x = 16,574,029,484.53
  5. Step 5: Solve for x
    x = 16,574,029,484.53/148,734.24
  6. Step 6: Final answer
    x = 111,433.85

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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.