Home / 137,440.20-206,087.40-48,696.60

Finding the Fourth Proportional to 137,440.20, 206,087.40 and 48,696.60

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Solution

The fourth proportional to 137,440.20, 206,087.40 and 48,696.60 is: 73,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,440.20 : 206,087.40 = 48,696.60 : x
  2. Step 2: Convert to fraction form
    137,440.20/206,087.40 = 48,696.60/x
  3. Step 3: Cross multiply
    137,440.20x = 206,087.40 × 48,696.60
  4. Step 4: Simplify right side
    137,440.20x = 10,035,755,682.84
  5. Step 5: Solve for x
    x = 10,035,755,682.84/137,440.20
  6. Step 6: Final answer
    x = 73,019.07

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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.