Home / 137,921.04-206,897.76-49,187.16

Finding the Fourth Proportional to 137,921.04, 206,897.76 and 49,187.16

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Solution

The fourth proportional to 137,921.04, 206,897.76 and 49,187.16 is: 73,786.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,921.04 : 206,897.76 = 49,187.16 : x
  2. Step 2: Convert to fraction form
    137,921.04/206,897.76 = 49,187.16/x
  3. Step 3: Cross multiply
    137,921.04x = 206,897.76 × 49,187.16
  4. Step 4: Simplify right side
    137,921.04x = 10,176,713,224.76
  5. Step 5: Solve for x
    x = 10,176,713,224.76/137,921.04
  6. Step 6: Final answer
    x = 73,786.52

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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.