Home / 253,878.07-350,351.73-140,708.11

Finding the Fourth Proportional to 253,878.07, 350,351.73 and 140,708.11

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Solution

The fourth proportional to 253,878.07, 350,351.73 and 140,708.11 is: 194,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,878.07 : 350,351.73 = 140,708.11 : x
  2. Step 2: Convert to fraction form
    253,878.07/350,351.73 = 140,708.11/x
  3. Step 3: Cross multiply
    253,878.07x = 350,351.73 × 140,708.11
  4. Step 4: Simplify right side
    253,878.07x = 49,297,329,763.53
  5. Step 5: Solve for x
    x = 49,297,329,763.53/253,878.07
  6. Step 6: Final answer
    x = 194,177.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.