Home / 187,028.54-258,095.40-102,145.94

Finding the Fourth Proportional to 187,028.54, 258,095.40 and 102,145.94

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Solution

The fourth proportional to 187,028.54, 258,095.40 and 102,145.94 is: 140,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,028.54 : 258,095.40 = 102,145.94 : x
  2. Step 2: Convert to fraction form
    187,028.54/258,095.40 = 102,145.94/x
  3. Step 3: Cross multiply
    187,028.54x = 258,095.40 × 102,145.94
  4. Step 4: Simplify right side
    187,028.54x = 26,363,397,242.68
  5. Step 5: Solve for x
    x = 26,363,397,242.68/187,028.54
  6. Step 6: Final answer
    x = 140,959.22

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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.