Home / 146,948.60-220,422.90-76,849.40

Finding the Fourth Proportional to 146,948.60, 220,422.90 and 76,849.40

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Solution

The fourth proportional to 146,948.60, 220,422.90 and 76,849.40 is: 115,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,948.60 : 220,422.90 = 76,849.40 : x
  2. Step 2: Convert to fraction form
    146,948.60/220,422.90 = 76,849.40/x
  3. Step 3: Cross multiply
    146,948.60x = 220,422.90 × 76,849.40
  4. Step 4: Simplify right side
    146,948.60x = 16,939,367,611.26
  5. Step 5: Solve for x
    x = 16,939,367,611.26/146,948.60
  6. Step 6: Final answer
    x = 115,274.10

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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.