Home / 187,823.40-282,026.70-109,091.40

Finding the Fourth Proportional to 187,823.40, 282,026.70 and 109,091.40

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Solution

The fourth proportional to 187,823.40, 282,026.70 and 109,091.40 is: 163,806.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,823.40 : 282,026.70 = 109,091.40 : x
  2. Step 2: Convert to fraction form
    187,823.40/282,026.70 = 109,091.40/x
  3. Step 3: Cross multiply
    187,823.40x = 282,026.70 × 109,091.40
  4. Step 4: Simplify right side
    187,823.40x = 30,766,687,540.38
  5. Step 5: Solve for x
    x = 30,766,687,540.38/187,823.40
  6. Step 6: Final answer
    x = 163,806.47

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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.