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Finding the Fourth Proportional to 164,318.78, 226,706.90 and 129,753.78

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Solution

The fourth proportional to 164,318.78, 226,706.90 and 129,753.78 is: 179,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,318.78 : 226,706.90 = 129,753.78 : x
  2. Step 2: Convert to fraction form
    164,318.78/226,706.90 = 129,753.78/x
  3. Step 3: Cross multiply
    164,318.78x = 226,706.90 × 129,753.78
  4. Step 4: Simplify right side
    164,318.78x = 29,416,077,227.08
  5. Step 5: Solve for x
    x = 29,416,077,227.08/164,318.78
  6. Step 6: Final answer
    x = 179,018.35

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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.