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Finding the Fourth Proportional to 146,199.60, 219,007.80 and 83,797.20

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Solution

The fourth proportional to 146,199.60, 219,007.80 and 83,797.20 is: 125,528.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,199.60 : 219,007.80 = 83,797.20 : x
  2. Step 2: Convert to fraction form
    146,199.60/219,007.80 = 83,797.20/x
  3. Step 3: Cross multiply
    146,199.60x = 219,007.80 × 83,797.20
  4. Step 4: Simplify right side
    146,199.60x = 18,352,240,418.16
  5. Step 5: Solve for x
    x = 18,352,240,418.16/146,199.60
  6. Step 6: Final answer
    x = 125,528.66

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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.