Home / 155,249.96-232,680.10-66,399

Finding the Fourth Proportional to 155,249.96, 232,680.10 and 66,399

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Solution

The fourth proportional to 155,249.96, 232,680.10 and 66,399 is: 99,515.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,249.96 : 232,680.10 = 66,399 : x
  2. Step 2: Convert to fraction form
    155,249.96/232,680.10 = 66,399/x
  3. Step 3: Cross multiply
    155,249.96x = 232,680.10 × 66,399
  4. Step 4: Simplify right side
    155,249.96x = 15,449,725,959.90
  5. Step 5: Solve for x
    x = 15,449,725,959.90/155,249.96
  6. Step 6: Final answer
    x = 99,515.17

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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.