Home / 137,740.20-206,639.10-44,255.40

Finding the Fourth Proportional to 137,740.20, 206,639.10 and 44,255.40

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Solution

The fourth proportional to 137,740.20, 206,639.10 and 44,255.40 is: 66,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,740.20 : 206,639.10 = 44,255.40 : x
  2. Step 2: Convert to fraction form
    137,740.20/206,639.10 = 44,255.40/x
  3. Step 3: Cross multiply
    137,740.20x = 206,639.10 × 44,255.40
  4. Step 4: Simplify right side
    137,740.20x = 9,144,896,026.14
  5. Step 5: Solve for x
    x = 9,144,896,026.14/137,740.20
  6. Step 6: Final answer
    x = 66,392.35

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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.