Home / 124,839.57-172,278.57-68,250.94

Finding the Fourth Proportional to 124,839.57, 172,278.57 and 68,250.94

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Solution

The fourth proportional to 124,839.57, 172,278.57 and 68,250.94 is: 94,186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,839.57 : 172,278.57 = 68,250.94 : x
  2. Step 2: Convert to fraction form
    124,839.57/172,278.57 = 68,250.94/x
  3. Step 3: Cross multiply
    124,839.57x = 172,278.57 × 68,250.94
  4. Step 4: Simplify right side
    124,839.57x = 11,758,174,344.36
  5. Step 5: Solve for x
    x = 11,758,174,344.36/124,839.57
  6. Step 6: Final answer
    x = 94,186.28

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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.