Home / 148,800.46-205,346.12-80,818.08

Finding the Fourth Proportional to 148,800.46, 205,346.12 and 80,818.08

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Solution

The fourth proportional to 148,800.46, 205,346.12 and 80,818.08 is: 111,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,800.46 : 205,346.12 = 80,818.08 : x
  2. Step 2: Convert to fraction form
    148,800.46/205,346.12 = 80,818.08/x
  3. Step 3: Cross multiply
    148,800.46x = 205,346.12 × 80,818.08
  4. Step 4: Simplify right side
    148,800.46x = 16,595,679,153.85
  5. Step 5: Solve for x
    x = 16,595,679,153.85/148,800.46
  6. Step 6: Final answer
    x = 111,529.76

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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.