Home / 207,727.52-311,546.32-55,920.85

Finding the Fourth Proportional to 207,727.52, 311,546.32 and 55,920.85

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Solution

The fourth proportional to 207,727.52, 311,546.32 and 55,920.85 is: 83,869.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,727.52 : 311,546.32 = 55,920.85 : x
  2. Step 2: Convert to fraction form
    207,727.52/311,546.32 = 55,920.85/x
  3. Step 3: Cross multiply
    207,727.52x = 311,546.32 × 55,920.85
  4. Step 4: Simplify right side
    207,727.52x = 17,421,934,110.10
  5. Step 5: Solve for x
    x = 17,421,934,110.10/207,727.52
  6. Step 6: Final answer
    x = 83,869.17

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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.