Home / 188,385.52-260,202-140,849.68

Finding the Fourth Proportional to 188,385.52, 260,202 and 140,849.68

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Solution

The fourth proportional to 188,385.52, 260,202 and 140,849.68 is: 194,544.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,385.52 : 260,202 = 140,849.68 : x
  2. Step 2: Convert to fraction form
    188,385.52/260,202 = 140,849.68/x
  3. Step 3: Cross multiply
    188,385.52x = 260,202 × 140,849.68
  4. Step 4: Simplify right side
    188,385.52x = 36,649,368,435.36
  5. Step 5: Solve for x
    x = 36,649,368,435.36/188,385.52
  6. Step 6: Final answer
    x = 194,544.51

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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.