Home / 131,404.97-181,353.06-80,451.97

Finding the Fourth Proportional to 131,404.97, 181,353.06 and 80,451.97

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Solution

The fourth proportional to 131,404.97, 181,353.06 and 80,451.97 is: 111,032.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,404.97 : 181,353.06 = 80,451.97 : x
  2. Step 2: Convert to fraction form
    131,404.97/181,353.06 = 80,451.97/x
  3. Step 3: Cross multiply
    131,404.97x = 181,353.06 × 80,451.97
  4. Step 4: Simplify right side
    131,404.97x = 14,590,210,489.15
  5. Step 5: Solve for x
    x = 14,590,210,489.15/131,404.97
  6. Step 6: Final answer
    x = 111,032.41

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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.