Home / 155,677.56-214,760.46-149,642.04

Finding the Fourth Proportional to 155,677.56, 214,760.46 and 149,642.04

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Solution

The fourth proportional to 155,677.56, 214,760.46 and 149,642.04 is: 206,434.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,677.56 : 214,760.46 = 149,642.04 : x
  2. Step 2: Convert to fraction form
    155,677.56/214,760.46 = 149,642.04/x
  3. Step 3: Cross multiply
    155,677.56x = 214,760.46 × 149,642.04
  4. Step 4: Simplify right side
    155,677.56x = 32,137,193,345.74
  5. Step 5: Solve for x
    x = 32,137,193,345.74/155,677.56
  6. Step 6: Final answer
    x = 206,434.33

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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.