Home / 137,918.79-206,894.39-49,184.91

Finding the Fourth Proportional to 137,918.79, 206,894.39 and 49,184.91

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Solution

The fourth proportional to 137,918.79, 206,894.39 and 49,184.91 is: 73,783.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,918.79 : 206,894.39 = 49,184.91 : x
  2. Step 2: Convert to fraction form
    137,918.79/206,894.39 = 49,184.91/x
  3. Step 3: Cross multiply
    137,918.79x = 206,894.39 × 49,184.91
  4. Step 4: Simplify right side
    137,918.79x = 10,176,081,705.73
  5. Step 5: Solve for x
    x = 10,176,081,705.73/137,918.79
  6. Step 6: Final answer
    x = 73,783.14

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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.