Home / 146,738.40-220,107.60-125,743.20

Finding the Fourth Proportional to 146,738.40, 220,107.60 and 125,743.20

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Solution

The fourth proportional to 146,738.40, 220,107.60 and 125,743.20 is: 188,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,738.40 : 220,107.60 = 125,743.20 : x
  2. Step 2: Convert to fraction form
    146,738.40/220,107.60 = 125,743.20/x
  3. Step 3: Cross multiply
    146,738.40x = 220,107.60 × 125,743.20
  4. Step 4: Simplify right side
    146,738.40x = 27,677,033,968.32
  5. Step 5: Solve for x
    x = 27,677,033,968.32/146,738.40
  6. Step 6: Final answer
    x = 188,614.80

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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.