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Finding the Fourth Proportional to 151,063, 226,157.08 and 113,780.12

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Solution

The fourth proportional to 151,063, 226,157.08 and 113,780.12 is: 170,340.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,063 : 226,157.08 = 113,780.12 : x
  2. Step 2: Convert to fraction form
    151,063/226,157.08 = 113,780.12/x
  3. Step 3: Cross multiply
    151,063x = 226,157.08 × 113,780.12
  4. Step 4: Simplify right side
    151,063x = 25,732,179,701.25
  5. Step 5: Solve for x
    x = 25,732,179,701.25/151,063
  6. Step 6: Final answer
    x = 170,340.72

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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.