Home / 131,863.24-181,977.78-73,727.92

Finding the Fourth Proportional to 131,863.24, 181,977.78 and 73,727.92

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Solution

The fourth proportional to 131,863.24, 181,977.78 and 73,727.92 is: 101,748.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,863.24 : 181,977.78 = 73,727.92 : x
  2. Step 2: Convert to fraction form
    131,863.24/181,977.78 = 73,727.92/x
  3. Step 3: Cross multiply
    131,863.24x = 181,977.78 × 73,727.92
  4. Step 4: Simplify right side
    131,863.24x = 13,416,843,205.62
  5. Step 5: Solve for x
    x = 13,416,843,205.62/131,863.24
  6. Step 6: Final answer
    x = 101,748.17

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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.