Home / 131,793.30-181,887.78-75,213.18

Finding the Fourth Proportional to 131,793.30, 181,887.78 and 75,213.18

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Solution

The fourth proportional to 131,793.30, 181,887.78 and 75,213.18 is: 103,801.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,793.30 : 181,887.78 = 75,213.18 : x
  2. Step 2: Convert to fraction form
    131,793.30/181,887.78 = 75,213.18/x
  3. Step 3: Cross multiply
    131,793.30x = 181,887.78 × 75,213.18
  4. Step 4: Simplify right side
    131,793.30x = 13,680,358,336.94
  5. Step 5: Solve for x
    x = 13,680,358,336.94/131,793.30
  6. Step 6: Final answer
    x = 103,801.62

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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.