Home / 139,544.20-209,316.30-132,327.10

Finding the Fourth Proportional to 139,544.20, 209,316.30 and 132,327.10

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Solution

The fourth proportional to 139,544.20, 209,316.30 and 132,327.10 is: 198,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,544.20 : 209,316.30 = 132,327.10 : x
  2. Step 2: Convert to fraction form
    139,544.20/209,316.30 = 132,327.10/x
  3. Step 3: Cross multiply
    139,544.20x = 209,316.30 × 132,327.10
  4. Step 4: Simplify right side
    139,544.20x = 27,698,218,961.73
  5. Step 5: Solve for x
    x = 27,698,218,961.73/139,544.20
  6. Step 6: Final answer
    x = 198,490.65

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1.5x scale

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.