Home / 155,231.82-232,799.13-102,918.78

Finding the Fourth Proportional to 155,231.82, 232,799.13 and 102,918.78

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Solution

The fourth proportional to 155,231.82, 232,799.13 and 102,918.78 is: 154,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,231.82 : 232,799.13 = 102,918.78 : x
  2. Step 2: Convert to fraction form
    155,231.82/232,799.13 = 102,918.78/x
  3. Step 3: Cross multiply
    155,231.82x = 232,799.13 × 102,918.78
  4. Step 4: Simplify right side
    155,231.82x = 23,959,402,444.66
  5. Step 5: Solve for x
    x = 23,959,402,444.66/155,231.82
  6. Step 6: Final answer
    x = 154,345.95

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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.