Home / 131,846.52-198,331-119,515.25

Finding the Fourth Proportional to 131,846.52, 198,331 and 119,515.25

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Solution

The fourth proportional to 131,846.52, 198,331 and 119,515.25 is: 179,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,846.52 : 198,331 = 119,515.25 : x
  2. Step 2: Convert to fraction form
    131,846.52/198,331 = 119,515.25/x
  3. Step 3: Cross multiply
    131,846.52x = 198,331 × 119,515.25
  4. Step 4: Simplify right side
    131,846.52x = 23,703,578,056.10
  5. Step 5: Solve for x
    x = 23,703,578,056.10/131,846.52
  6. Step 6: Final answer
    x = 179,781.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.