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Finding the Fourth Proportional to 164,396.50, 226,867.17 and 88,945

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Solution

The fourth proportional to 164,396.50, 226,867.17 and 88,945 is: 122,744.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,396.50 : 226,867.17 = 88,945 : x
  2. Step 2: Convert to fraction form
    164,396.50/226,867.17 = 88,945/x
  3. Step 3: Cross multiply
    164,396.50x = 226,867.17 × 88,945
  4. Step 4: Simplify right side
    164,396.50x = 20,178,700,435.65
  5. Step 5: Solve for x
    x = 20,178,700,435.65/164,396.50
  6. Step 6: Final answer
    x = 122,744.10

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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.