Home / 146,229.60-219,344.40-76,099.80

Finding the Fourth Proportional to 146,229.60, 219,344.40 and 76,099.80

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Solution

The fourth proportional to 146,229.60, 219,344.40 and 76,099.80 is: 114,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,229.60 : 219,344.40 = 76,099.80 : x
  2. Step 2: Convert to fraction form
    146,229.60/219,344.40 = 76,099.80/x
  3. Step 3: Cross multiply
    146,229.60x = 219,344.40 × 76,099.80
  4. Step 4: Simplify right side
    146,229.60x = 16,692,064,971.12
  5. Step 5: Solve for x
    x = 16,692,064,971.12/146,229.60
  6. Step 6: Final answer
    x = 114,149.70

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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.