Home / 253,578.13-349,948.75-140,400.88

Finding the Fourth Proportional to 253,578.13, 349,948.75 and 140,400.88

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Solution

The fourth proportional to 253,578.13, 349,948.75 and 140,400.88 is: 193,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,578.13 : 349,948.75 = 140,400.88 : x
  2. Step 2: Convert to fraction form
    253,578.13/349,948.75 = 140,400.88/x
  3. Step 3: Cross multiply
    253,578.13x = 349,948.75 × 140,400.88
  4. Step 4: Simplify right side
    253,578.13x = 49,133,112,454.90
  5. Step 5: Solve for x
    x = 49,133,112,454.90/253,578.13
  6. Step 6: Final answer
    x = 193,759.27

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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.