Home / 146,670.60-219,833.10-76,513.80

Finding the Fourth Proportional to 146,670.60, 219,833.10 and 76,513.80

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Solution

The fourth proportional to 146,670.60, 219,833.10 and 76,513.80 is: 114,680.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,670.60 : 219,833.10 = 76,513.80 : x
  2. Step 2: Convert to fraction form
    146,670.60/219,833.10 = 76,513.80/x
  3. Step 3: Cross multiply
    146,670.60x = 219,833.10 × 76,513.80
  4. Step 4: Simplify right side
    146,670.60x = 16,820,265,846.78
  5. Step 5: Solve for x
    x = 16,820,265,846.78/146,670.60
  6. Step 6: Final answer
    x = 114,680.56

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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.