Home / 137,943.54-206,931.51-49,209.66

Finding the Fourth Proportional to 137,943.54, 206,931.51 and 49,209.66

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Solution

The fourth proportional to 137,943.54, 206,931.51 and 49,209.66 is: 73,820.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,943.54 : 206,931.51 = 49,209.66 : x
  2. Step 2: Convert to fraction form
    137,943.54/206,931.51 = 49,209.66/x
  3. Step 3: Cross multiply
    137,943.54x = 206,931.51 × 49,209.66
  4. Step 4: Simplify right side
    137,943.54x = 10,183,029,250.39
  5. Step 5: Solve for x
    x = 10,183,029,250.39/137,943.54
  6. Step 6: Final answer
    x = 73,820.27

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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.