Home / 187,229.16-280,954.74-68,983.50

Finding the Fourth Proportional to 187,229.16, 280,954.74 and 68,983.50

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Solution

The fourth proportional to 187,229.16, 280,954.74 and 68,983.50 is: 103,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,229.16 : 280,954.74 = 68,983.50 : x
  2. Step 2: Convert to fraction form
    187,229.16/280,954.74 = 68,983.50/x
  3. Step 3: Cross multiply
    187,229.16x = 280,954.74 × 68,983.50
  4. Step 4: Simplify right side
    187,229.16x = 19,381,241,306.79
  5. Step 5: Solve for x
    x = 19,381,241,306.79/187,229.16
  6. Step 6: Final answer
    x = 103,516.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.