Home / 187,291.19-280,805.54-68,947.17

Finding the Fourth Proportional to 187,291.19, 280,805.54 and 68,947.17

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Solution

The fourth proportional to 187,291.19, 280,805.54 and 68,947.17 is: 103,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,291.19 : 280,805.54 = 68,947.17 : x
  2. Step 2: Convert to fraction form
    187,291.19/280,805.54 = 68,947.17/x
  3. Step 3: Cross multiply
    187,291.19x = 280,805.54 × 68,947.17
  4. Step 4: Simplify right side
    187,291.19x = 19,360,746,958.59
  5. Step 5: Solve for x
    x = 19,360,746,958.59/187,291.19
  6. Step 6: Final answer
    x = 103,372.44

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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.