Home / 187,043.57-258,120.12-102,160.83

Finding the Fourth Proportional to 187,043.57, 258,120.12 and 102,160.83

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Solution

The fourth proportional to 187,043.57, 258,120.12 and 102,160.83 is: 140,981.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,043.57 : 258,120.12 = 102,160.83 : x
  2. Step 2: Convert to fraction form
    187,043.57/258,120.12 = 102,160.83/x
  3. Step 3: Cross multiply
    187,043.57x = 258,120.12 × 102,160.83
  4. Step 4: Simplify right side
    187,043.57x = 26,369,765,698.90
  5. Step 5: Solve for x
    x = 26,369,765,698.90/187,043.57
  6. Step 6: Final answer
    x = 140,981.94

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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.