Home / 146,540.40-220,069.80-113,341.20

Finding the Fourth Proportional to 146,540.40, 220,069.80 and 113,341.20

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Solution

The fourth proportional to 146,540.40, 220,069.80 and 113,341.20 is: 170,212.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,540.40 : 220,069.80 = 113,341.20 : x
  2. Step 2: Convert to fraction form
    146,540.40/220,069.80 = 113,341.20/x
  3. Step 3: Cross multiply
    146,540.40x = 220,069.80 × 113,341.20
  4. Step 4: Simplify right side
    146,540.40x = 24,942,975,215.76
  5. Step 5: Solve for x
    x = 24,942,975,215.76/146,540.40
  6. Step 6: Final answer
    x = 170,212.28

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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.