Home / 148,320.72-222,221.88-123,520.32

Finding the Fourth Proportional to 148,320.72, 222,221.88 and 123,520.32

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Solution

The fourth proportional to 148,320.72, 222,221.88 and 123,520.32 is: 185,064.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,320.72 : 222,221.88 = 123,520.32 : x
  2. Step 2: Convert to fraction form
    148,320.72/222,221.88 = 123,520.32/x
  3. Step 3: Cross multiply
    148,320.72x = 222,221.88 × 123,520.32
  4. Step 4: Simplify right side
    148,320.72x = 27,448,917,728.60
  5. Step 5: Solve for x
    x = 27,448,917,728.60/148,320.72
  6. Step 6: Final answer
    x = 185,064.62

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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.