Home / 187,180.72-258,309.42-102,297.76

Finding the Fourth Proportional to 187,180.72, 258,309.42 and 102,297.76

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Solution

The fourth proportional to 187,180.72, 258,309.42 and 102,297.76 is: 141,170.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,180.72 : 258,309.42 = 102,297.76 : x
  2. Step 2: Convert to fraction form
    187,180.72/258,309.42 = 102,297.76/x
  3. Step 3: Cross multiply
    187,180.72x = 258,309.42 × 102,297.76
  4. Step 4: Simplify right side
    187,180.72x = 26,424,475,052.90
  5. Step 5: Solve for x
    x = 26,424,475,052.90/187,180.72
  6. Step 6: Final answer
    x = 141,170.92

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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.