Home / 146,538.40-220,066.80-113,339.20

Finding the Fourth Proportional to 146,538.40, 220,066.80 and 113,339.20

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Solution

The fourth proportional to 146,538.40, 220,066.80 and 113,339.20 is: 170,209.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,538.40 : 220,066.80 = 113,339.20 : x
  2. Step 2: Convert to fraction form
    146,538.40/220,066.80 = 113,339.20/x
  3. Step 3: Cross multiply
    146,538.40x = 220,066.80 × 113,339.20
  4. Step 4: Simplify right side
    146,538.40x = 24,942,195,058.56
  5. Step 5: Solve for x
    x = 24,942,195,058.56/146,538.40
  6. Step 6: Final answer
    x = 170,209.28

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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.