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Finding the Fourth Proportional to 151,419.78, 226,863.09 and 134,926.59

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Solution

The fourth proportional to 151,419.78, 226,863.09 and 134,926.59 is: 202,152.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,419.78 : 226,863.09 = 134,926.59 : x
  2. Step 2: Convert to fraction form
    151,419.78/226,863.09 = 134,926.59/x
  3. Step 3: Cross multiply
    151,419.78x = 226,863.09 × 134,926.59
  4. Step 4: Simplify right side
    151,419.78x = 30,609,862,455.93
  5. Step 5: Solve for x
    x = 30,609,862,455.93/151,419.78
  6. Step 6: Final answer
    x = 202,152.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.