Home / 148,079.28-222,115.23-69,281.67

Finding the Fourth Proportional to 148,079.28, 222,115.23 and 69,281.67

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Solution

The fourth proportional to 148,079.28, 222,115.23 and 69,281.67 is: 103,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,079.28 : 222,115.23 = 69,281.67 : x
  2. Step 2: Convert to fraction form
    148,079.28/222,115.23 = 69,281.67/x
  3. Step 3: Cross multiply
    148,079.28x = 222,115.23 × 69,281.67
  4. Step 4: Simplify right side
    148,079.28x = 15,388,514,066.83
  5. Step 5: Solve for x
    x = 15,388,514,066.83/148,079.28
  6. Step 6: Final answer
    x = 103,920.78

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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.