Home / 137,622.90-206,434.35-44,138.10

Finding the Fourth Proportional to 137,622.90, 206,434.35 and 44,138.10

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Solution

The fourth proportional to 137,622.90, 206,434.35 and 44,138.10 is: 66,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,622.90 : 206,434.35 = 44,138.10 : x
  2. Step 2: Convert to fraction form
    137,622.90/206,434.35 = 44,138.10/x
  3. Step 3: Cross multiply
    137,622.90x = 206,434.35 × 44,138.10
  4. Step 4: Simplify right side
    137,622.90x = 9,111,619,983.74
  5. Step 5: Solve for x
    x = 9,111,619,983.74/137,622.90
  6. Step 6: Final answer
    x = 66,207.15

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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.