Home / 146,829.60-220,244.40-145,447.20

Finding the Fourth Proportional to 146,829.60, 220,244.40 and 145,447.20

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Solution

The fourth proportional to 146,829.60, 220,244.40 and 145,447.20 is: 218,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,829.60 : 220,244.40 = 145,447.20 : x
  2. Step 2: Convert to fraction form
    146,829.60/220,244.40 = 145,447.20/x
  3. Step 3: Cross multiply
    146,829.60x = 220,244.40 × 145,447.20
  4. Step 4: Simplify right side
    146,829.60x = 32,033,931,295.68
  5. Step 5: Solve for x
    x = 32,033,931,295.68/146,829.60
  6. Step 6: Final answer
    x = 218,170.80

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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.