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Finding the Fourth Proportional to 164,568.45, 226,948.46 and 113,499.57

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Solution

The fourth proportional to 164,568.45, 226,948.46 and 113,499.57 is: 156,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,568.45 : 226,948.46 = 113,499.57 : x
  2. Step 2: Convert to fraction form
    164,568.45/226,948.46 = 113,499.57/x
  3. Step 3: Cross multiply
    164,568.45x = 226,948.46 × 113,499.57
  4. Step 4: Simplify right side
    164,568.45x = 25,758,552,054.66
  5. Step 5: Solve for x
    x = 25,758,552,054.66/164,568.45
  6. Step 6: Final answer
    x = 156,521.81

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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.