Home / 185,788.80-278,595.27-71,989.83

Finding the Fourth Proportional to 185,788.80, 278,595.27 and 71,989.83

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Solution

The fourth proportional to 185,788.80, 278,595.27 and 71,989.83 is: 107,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,788.80 : 278,595.27 = 71,989.83 : x
  2. Step 2: Convert to fraction form
    185,788.80/278,595.27 = 71,989.83/x
  3. Step 3: Cross multiply
    185,788.80x = 278,595.27 × 71,989.83
  4. Step 4: Simplify right side
    185,788.80x = 20,056,026,126.10
  5. Step 5: Solve for x
    x = 20,056,026,126.10/185,788.80
  6. Step 6: Final answer
    x = 107,950.67

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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.