Home / 225,320.20-310,956.76-129,832.92

Finding the Fourth Proportional to 225,320.20, 310,956.76 and 129,832.92

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Solution

The fourth proportional to 225,320.20, 310,956.76 and 129,832.92 is: 179,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,320.20 : 310,956.76 = 129,832.92 : x
  2. Step 2: Convert to fraction form
    225,320.20/310,956.76 = 129,832.92/x
  3. Step 3: Cross multiply
    225,320.20x = 310,956.76 × 129,832.92
  4. Step 4: Simplify right side
    225,320.20x = 40,372,424,144.54
  5. Step 5: Solve for x
    x = 40,372,424,144.54/225,320.20
  6. Step 6: Final answer
    x = 179,178.01

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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.