Home / 137,405.28-206,108.39-48,661.38

Finding the Fourth Proportional to 137,405.28, 206,108.39 and 48,661.38

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Solution

The fourth proportional to 137,405.28, 206,108.39 and 48,661.38 is: 72,992.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,405.28 : 206,108.39 = 48,661.38 : x
  2. Step 2: Convert to fraction form
    137,405.28/206,108.39 = 48,661.38/x
  3. Step 3: Cross multiply
    137,405.28x = 206,108.39 × 48,661.38
  4. Step 4: Simplify right side
    137,405.28x = 10,029,518,626.15
  5. Step 5: Solve for x
    x = 10,029,518,626.15/137,405.28
  6. Step 6: Final answer
    x = 72,992.23

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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.