Home / 187,947.84-259,367.76-103,064.88

Finding the Fourth Proportional to 187,947.84, 259,367.76 and 103,064.88

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Solution

The fourth proportional to 187,947.84, 259,367.76 and 103,064.88 is: 142,229.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,947.84 : 259,367.76 = 103,064.88 : x
  2. Step 2: Convert to fraction form
    187,947.84/259,367.76 = 103,064.88/x
  3. Step 3: Cross multiply
    187,947.84x = 259,367.76 × 103,064.88
  4. Step 4: Simplify right side
    187,947.84x = 26,731,707,060.27
  5. Step 5: Solve for x
    x = 26,731,707,060.27/187,947.84
  6. Step 6: Final answer
    x = 142,229.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.