Home / 151,837.07-209,560.82-88,211.79

Finding the Fourth Proportional to 151,837.07, 209,560.82 and 88,211.79

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Solution

The fourth proportional to 151,837.07, 209,560.82 and 88,211.79 is: 121,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,837.07 : 209,560.82 = 88,211.79 : x
  2. Step 2: Convert to fraction form
    151,837.07/209,560.82 = 88,211.79/x
  3. Step 3: Cross multiply
    151,837.07x = 209,560.82 × 88,211.79
  4. Step 4: Simplify right side
    151,837.07x = 18,485,734,605.01
  5. Step 5: Solve for x
    x = 18,485,734,605.01/151,837.07
  6. Step 6: Final answer
    x = 121,747.18

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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.