Home / 139,570.20-209,355.30-132,353.10

Finding the Fourth Proportional to 139,570.20, 209,355.30 and 132,353.10

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Solution

The fourth proportional to 139,570.20, 209,355.30 and 132,353.10 is: 198,529.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,570.20 : 209,355.30 = 132,353.10 : x
  2. Step 2: Convert to fraction form
    139,570.20/209,355.30 = 132,353.10/x
  3. Step 3: Cross multiply
    139,570.20x = 209,355.30 × 132,353.10
  4. Step 4: Simplify right side
    139,570.20x = 27,708,822,956.43
  5. Step 5: Solve for x
    x = 27,708,822,956.43/139,570.20
  6. Step 6: Final answer
    x = 198,529.65

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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.