Home / 146,390.40-219,844.80-113,191.20

Finding the Fourth Proportional to 146,390.40, 219,844.80 and 113,191.20

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Solution

The fourth proportional to 146,390.40, 219,844.80 and 113,191.20 is: 169,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,390.40 : 219,844.80 = 113,191.20 : x
  2. Step 2: Convert to fraction form
    146,390.40/219,844.80 = 113,191.20/x
  3. Step 3: Cross multiply
    146,390.40x = 219,844.80 × 113,191.20
  4. Step 4: Simplify right side
    146,390.40x = 24,884,496,725.76
  5. Step 5: Solve for x
    x = 24,884,496,725.76/146,390.40
  6. Step 6: Final answer
    x = 169,987.22

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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.