Home / 87,153.73-120,248.81-49,427.17

Finding the Fourth Proportional to 87,153.73, 120,248.81 and 49,427.17

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Solution

The fourth proportional to 87,153.73, 120,248.81 and 49,427.17 is: 68,196.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,153.73 : 120,248.81 = 49,427.17 : x
  2. Step 2: Convert to fraction form
    87,153.73/120,248.81 = 49,427.17/x
  3. Step 3: Cross multiply
    87,153.73x = 120,248.81 × 49,427.17
  4. Step 4: Simplify right side
    87,153.73x = 5,943,558,374.17
  5. Step 5: Solve for x
    x = 5,943,558,374.17/87,153.73
  6. Step 6: Final answer
    x = 68,196.26

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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.