Home / 345,387.75-518,110.79-96,069.75

Finding the Fourth Proportional to 345,387.75, 518,110.79 and 96,069.75

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Solution

The fourth proportional to 345,387.75, 518,110.79 and 96,069.75 is: 144,112.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,387.75 : 518,110.79 = 96,069.75 : x
  2. Step 2: Convert to fraction form
    345,387.75/518,110.79 = 96,069.75/x
  3. Step 3: Cross multiply
    345,387.75x = 518,110.79 × 96,069.75
  4. Step 4: Simplify right side
    345,387.75x = 49,774,774,067.60
  5. Step 5: Solve for x
    x = 49,774,774,067.60/345,387.75
  6. Step 6: Final answer
    x = 144,112.74

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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.