Home / 197,937.28-296,830.88-71,543.36

Finding the Fourth Proportional to 197,937.28, 296,830.88 and 71,543.36

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Solution

The fourth proportional to 197,937.28, 296,830.88 and 71,543.36 is: 107,287.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,937.28 : 296,830.88 = 71,543.36 : x
  2. Step 2: Convert to fraction form
    197,937.28/296,830.88 = 71,543.36/x
  3. Step 3: Cross multiply
    197,937.28x = 296,830.88 × 71,543.36
  4. Step 4: Simplify right side
    197,937.28x = 21,236,278,506.96
  5. Step 5: Solve for x
    x = 21,236,278,506.96/197,937.28
  6. Step 6: Final answer
    x = 107,287.92

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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.