Home / 155,389.14-233,083.71-102,786.32

Finding the Fourth Proportional to 155,389.14, 233,083.71 and 102,786.32

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Solution

The fourth proportional to 155,389.14, 233,083.71 and 102,786.32 is: 154,179.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,389.14 : 233,083.71 = 102,786.32 : x
  2. Step 2: Convert to fraction form
    155,389.14/233,083.71 = 102,786.32/x
  3. Step 3: Cross multiply
    155,389.14x = 233,083.71 × 102,786.32
  4. Step 4: Simplify right side
    155,389.14x = 23,957,817,385.56
  5. Step 5: Solve for x
    x = 23,957,817,385.56/155,389.14
  6. Step 6: Final answer
    x = 154,179.48

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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.