Home / 148,329.20-222,566.70-69,429.80

Finding the Fourth Proportional to 148,329.20, 222,566.70 and 69,429.80

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Solution

The fourth proportional to 148,329.20, 222,566.70 and 69,429.80 is: 104,178.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,329.20 : 222,566.70 = 69,429.80 : x
  2. Step 2: Convert to fraction form
    148,329.20/222,566.70 = 69,429.80/x
  3. Step 3: Cross multiply
    148,329.20x = 222,566.70 × 69,429.80
  4. Step 4: Simplify right side
    148,329.20x = 15,452,761,467.66
  5. Step 5: Solve for x
    x = 15,452,761,467.66/148,329.20
  6. Step 6: Final answer
    x = 104,178.82

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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.