Home / 103,176.50-154,565.46-76,111.16

Finding the Fourth Proportional to 103,176.50, 154,565.46 and 76,111.16

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Solution

The fourth proportional to 103,176.50, 154,565.46 and 76,111.16 is: 114,019.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,176.50 : 154,565.46 = 76,111.16 : x
  2. Step 2: Convert to fraction form
    103,176.50/154,565.46 = 76,111.16/x
  3. Step 3: Cross multiply
    103,176.50x = 154,565.46 × 76,111.16
  4. Step 4: Simplify right side
    103,176.50x = 11,764,156,456.53
  5. Step 5: Solve for x
    x = 11,764,156,456.53/103,176.50
  6. Step 6: Final answer
    x = 114,019.73

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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.