Home / 187,052.66-258,132.42-102,169.70

Finding the Fourth Proportional to 187,052.66, 258,132.42 and 102,169.70

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Solution

The fourth proportional to 187,052.66, 258,132.42 and 102,169.70 is: 140,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,052.66 : 258,132.42 = 102,169.70 : x
  2. Step 2: Convert to fraction form
    187,052.66/258,132.42 = 102,169.70/x
  3. Step 3: Cross multiply
    187,052.66x = 258,132.42 × 102,169.70
  4. Step 4: Simplify right side
    187,052.66x = 26,373,311,911.67
  5. Step 5: Solve for x
    x = 26,373,311,911.67/187,052.66
  6. Step 6: Final answer
    x = 140,994.05

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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.