Home / 179,704.07-247,990.92-99,136.61

Finding the Fourth Proportional to 179,704.07, 247,990.92 and 99,136.61

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Solution

The fourth proportional to 179,704.07, 247,990.92 and 99,136.61 is: 136,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,704.07 : 247,990.92 = 99,136.61 : x
  2. Step 2: Convert to fraction form
    179,704.07/247,990.92 = 99,136.61/x
  3. Step 3: Cross multiply
    179,704.07x = 247,990.92 × 99,136.61
  4. Step 4: Simplify right side
    179,704.07x = 24,584,979,119.58
  5. Step 5: Solve for x
    x = 24,584,979,119.58/179,704.07
  6. Step 6: Final answer
    x = 136,808.14

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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.