Home / 198,113.80-296,645.82-119,119.36

Finding the Fourth Proportional to 198,113.80, 296,645.82 and 119,119.36

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Solution

The fourth proportional to 198,113.80, 296,645.82 and 119,119.36 is: 178,363.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,113.80 : 296,645.82 = 119,119.36 : x
  2. Step 2: Convert to fraction form
    198,113.80/296,645.82 = 119,119.36/x
  3. Step 3: Cross multiply
    198,113.80x = 296,645.82 × 119,119.36
  4. Step 4: Simplify right side
    198,113.80x = 35,336,260,225.08
  5. Step 5: Solve for x
    x = 35,336,260,225.08/198,113.80
  6. Step 6: Final answer
    x = 178,363.45

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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.