Home / 187,029.54-258,096.78-102,146.94

Finding the Fourth Proportional to 187,029.54, 258,096.78 and 102,146.94

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Solution

The fourth proportional to 187,029.54, 258,096.78 and 102,146.94 is: 140,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,029.54 : 258,096.78 = 102,146.94 : x
  2. Step 2: Convert to fraction form
    187,029.54/258,096.78 = 102,146.94/x
  3. Step 3: Cross multiply
    187,029.54x = 258,096.78 × 102,146.94
  4. Step 4: Simplify right side
    187,029.54x = 26,363,796,300.85
  5. Step 5: Solve for x
    x = 26,363,796,300.85/187,029.54
  6. Step 6: Final answer
    x = 140,960.60

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1.5x scale

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.