Home / 137,730.20-206,624.10-44,245.40

Finding the Fourth Proportional to 137,730.20, 206,624.10 and 44,245.40

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Solution

The fourth proportional to 137,730.20, 206,624.10 and 44,245.40 is: 66,377.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,730.20 : 206,624.10 = 44,245.40 : x
  2. Step 2: Convert to fraction form
    137,730.20/206,624.10 = 44,245.40/x
  3. Step 3: Cross multiply
    137,730.20x = 206,624.10 × 44,245.40
  4. Step 4: Simplify right side
    137,730.20x = 9,142,165,954.14
  5. Step 5: Solve for x
    x = 9,142,165,954.14/137,730.20
  6. Step 6: Final answer
    x = 66,377.35

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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.