Home / 187,052.08-280,689.90-68,735.38

Finding the Fourth Proportional to 187,052.08, 280,689.90 and 68,735.38

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Solution

The fourth proportional to 187,052.08, 280,689.90 and 68,735.38 is: 103,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,052.08 : 280,689.90 = 68,735.38 : x
  2. Step 2: Convert to fraction form
    187,052.08/280,689.90 = 68,735.38/x
  3. Step 3: Cross multiply
    187,052.08x = 280,689.90 × 68,735.38
  4. Step 4: Simplify right side
    187,052.08x = 19,293,326,938.66
  5. Step 5: Solve for x
    x = 19,293,326,938.66/187,052.08
  6. Step 6: Final answer
    x = 103,144.15

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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.