Home / 155,625.24-214,763.82-88,557.24

Finding the Fourth Proportional to 155,625.24, 214,763.82 and 88,557.24

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Solution

The fourth proportional to 155,625.24, 214,763.82 and 88,557.24 is: 122,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,625.24 : 214,763.82 = 88,557.24 : x
  2. Step 2: Convert to fraction form
    155,625.24/214,763.82 = 88,557.24/x
  3. Step 3: Cross multiply
    155,625.24x = 214,763.82 × 88,557.24
  4. Step 4: Simplify right side
    155,625.24x = 19,018,891,151.06
  5. Step 5: Solve for x
    x = 19,018,891,151.06/155,625.24
  6. Step 6: Final answer
    x = 122,209.55

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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.