Home / 157,868.38-236,839.55-107,971.97

Finding the Fourth Proportional to 157,868.38, 236,839.55 and 107,971.97

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Solution

The fourth proportional to 157,868.38, 236,839.55 and 107,971.97 is: 161,983.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,868.38 : 236,839.55 = 107,971.97 : x
  2. Step 2: Convert to fraction form
    157,868.38/236,839.55 = 107,971.97/x
  3. Step 3: Cross multiply
    157,868.38x = 236,839.55 × 107,971.97
  4. Step 4: Simplify right side
    157,868.38x = 25,572,032,395.58
  5. Step 5: Solve for x
    x = 25,572,032,395.58/157,868.38
  6. Step 6: Final answer
    x = 161,983.25

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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.