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Finding the Fourth Proportional to 117,223.67, 161,768.25 and 63,508.65

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Solution

The fourth proportional to 117,223.67, 161,768.25 and 63,508.65 is: 87,641.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,223.67 : 161,768.25 = 63,508.65 : x
  2. Step 2: Convert to fraction form
    117,223.67/161,768.25 = 63,508.65/x
  3. Step 3: Cross multiply
    117,223.67x = 161,768.25 × 63,508.65
  4. Step 4: Simplify right side
    117,223.67x = 10,273,683,170.36
  5. Step 5: Solve for x
    x = 10,273,683,170.36/117,223.67
  6. Step 6: Final answer
    x = 87,641.72

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1.5x scale

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.