Home / 187,948.96-259,371.20-103,065.28

Finding the Fourth Proportional to 187,948.96, 259,371.20 and 103,065.28

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Solution

The fourth proportional to 187,948.96, 259,371.20 and 103,065.28 is: 142,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,948.96 : 259,371.20 = 103,065.28 : x
  2. Step 2: Convert to fraction form
    187,948.96/259,371.20 = 103,065.28/x
  3. Step 3: Cross multiply
    187,948.96x = 259,371.20 × 103,065.28
  4. Step 4: Simplify right side
    187,948.96x = 26,732,165,351.94
  5. Step 5: Solve for x
    x = 26,732,165,351.94/187,948.96
  6. Step 6: Final answer
    x = 142,230.98

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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.