Home / 154,997.90-232,642.38-76,168.70

Finding the Fourth Proportional to 154,997.90, 232,642.38 and 76,168.70

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Solution

The fourth proportional to 154,997.90, 232,642.38 and 76,168.70 is: 114,324.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,997.90 : 232,642.38 = 76,168.70 : x
  2. Step 2: Convert to fraction form
    154,997.90/232,642.38 = 76,168.70/x
  3. Step 3: Cross multiply
    154,997.90x = 232,642.38 × 76,168.70
  4. Step 4: Simplify right side
    154,997.90x = 17,720,067,649.51
  5. Step 5: Solve for x
    x = 17,720,067,649.51/154,997.90
  6. Step 6: Final answer
    x = 114,324.57

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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.