Home / 187,246.89-280,863.05-103,173.75

Finding the Fourth Proportional to 187,246.89, 280,863.05 and 103,173.75

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Solution

The fourth proportional to 187,246.89, 280,863.05 and 103,173.75 is: 154,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,246.89 : 280,863.05 = 103,173.75 : x
  2. Step 2: Convert to fraction form
    187,246.89/280,863.05 = 103,173.75/x
  3. Step 3: Cross multiply
    187,246.89x = 280,863.05 × 103,173.75
  4. Step 4: Simplify right side
    187,246.89x = 28,977,693,589.07
  5. Step 5: Solve for x
    x = 28,977,693,589.07/187,246.89
  6. Step 6: Final answer
    x = 154,756.61

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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.