Home / 117,687.08-162,408.54-63,972.27

Finding the Fourth Proportional to 117,687.08, 162,408.54 and 63,972.27

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Solution

The fourth proportional to 117,687.08, 162,408.54 and 63,972.27 is: 88,281.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,687.08 : 162,408.54 = 63,972.27 : x
  2. Step 2: Convert to fraction form
    117,687.08/162,408.54 = 63,972.27/x
  3. Step 3: Cross multiply
    117,687.08x = 162,408.54 × 63,972.27
  4. Step 4: Simplify right side
    117,687.08x = 10,389,643,211.08
  5. Step 5: Solve for x
    x = 10,389,643,211.08/117,687.08
  6. Step 6: Final answer
    x = 88,281.93

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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.