Home / 187,373.20-280,962.60-68,983.60

Finding the Fourth Proportional to 187,373.20, 280,962.60 and 68,983.60

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Solution

The fourth proportional to 187,373.20, 280,962.60 and 68,983.60 is: 103,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,373.20 : 280,962.60 = 68,983.60 : x
  2. Step 2: Convert to fraction form
    187,373.20/280,962.60 = 68,983.60/x
  3. Step 3: Cross multiply
    187,373.20x = 280,962.60 × 68,983.60
  4. Step 4: Simplify right side
    187,373.20x = 19,381,811,613.36
  5. Step 5: Solve for x
    x = 19,381,811,613.36/187,373.20
  6. Step 6: Final answer
    x = 103,439.61

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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.