Home / 148,439.28-205,117.44-108,082.74

Finding the Fourth Proportional to 148,439.28, 205,117.44 and 108,082.74

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Solution

The fourth proportional to 148,439.28, 205,117.44 and 108,082.74 is: 149,351.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,439.28 : 205,117.44 = 108,082.74 : x
  2. Step 2: Convert to fraction form
    148,439.28/205,117.44 = 108,082.74/x
  3. Step 3: Cross multiply
    148,439.28x = 205,117.44 × 108,082.74
  4. Step 4: Simplify right side
    148,439.28x = 22,169,654,936.99
  5. Step 5: Solve for x
    x = 22,169,654,936.99/148,439.28
  6. Step 6: Final answer
    x = 149,351.67

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1.5x scale

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.