Home / 172,114.54-258,082.67-77,263.02

Finding the Fourth Proportional to 172,114.54, 258,082.67 and 77,263.02

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Solution

The fourth proportional to 172,114.54, 258,082.67 and 77,263.02 is: 115,854.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,114.54 : 258,082.67 = 77,263.02 : x
  2. Step 2: Convert to fraction form
    172,114.54/258,082.67 = 77,263.02/x
  3. Step 3: Cross multiply
    172,114.54x = 258,082.67 × 77,263.02
  4. Step 4: Simplify right side
    172,114.54x = 19,940,246,687.02
  5. Step 5: Solve for x
    x = 19,940,246,687.02/172,114.54
  6. Step 6: Final answer
    x = 115,854.52

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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.