Home / 103,049.29-154,568.80-60,378.85

Finding the Fourth Proportional to 103,049.29, 154,568.80 and 60,378.85

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Solution

The fourth proportional to 103,049.29, 154,568.80 and 60,378.85 is: 90,565.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,049.29 : 154,568.80 = 60,378.85 : x
  2. Step 2: Convert to fraction form
    103,049.29/154,568.80 = 60,378.85/x
  3. Step 3: Cross multiply
    103,049.29x = 154,568.80 × 60,378.85
  4. Step 4: Simplify right side
    103,049.29x = 9,332,686,389.88
  5. Step 5: Solve for x
    x = 9,332,686,389.88/103,049.29
  6. Step 6: Final answer
    x = 90,565.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.