Home / 131,812.05-197,718.17-76,016.91

Finding the Fourth Proportional to 131,812.05, 197,718.17 and 76,016.91

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Solution

The fourth proportional to 131,812.05, 197,718.17 and 76,016.91 is: 114,025.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,812.05 : 197,718.17 = 76,016.91 : x
  2. Step 2: Convert to fraction form
    131,812.05/197,718.17 = 76,016.91/x
  3. Step 3: Cross multiply
    131,812.05x = 197,718.17 × 76,016.91
  4. Step 4: Simplify right side
    131,812.05x = 15,029,923,954.17
  5. Step 5: Solve for x
    x = 15,029,923,954.17/131,812.05
  6. Step 6: Final answer
    x = 114,025.42

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1.5x scale

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.