Home / 155,418.39-233,127.59-102,815.57

Finding the Fourth Proportional to 155,418.39, 233,127.59 and 102,815.57

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Solution

The fourth proportional to 155,418.39, 233,127.59 and 102,815.57 is: 154,223.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,418.39 : 233,127.59 = 102,815.57 : x
  2. Step 2: Convert to fraction form
    155,418.39/233,127.59 = 102,815.57/x
  3. Step 3: Cross multiply
    155,418.39x = 233,127.59 × 102,815.57
  4. Step 4: Simplify right side
    155,418.39x = 23,969,146,117.32
  5. Step 5: Solve for x
    x = 23,969,146,117.32/155,418.39
  6. Step 6: Final answer
    x = 154,223.36

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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.