Home / 199,591.32-299,352.96-66,456.48

Finding the Fourth Proportional to 199,591.32, 299,352.96 and 66,456.48

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Solution

The fourth proportional to 199,591.32, 299,352.96 and 66,456.48 is: 99,673.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,591.32 : 299,352.96 = 66,456.48 : x
  2. Step 2: Convert to fraction form
    199,591.32/299,352.96 = 66,456.48/x
  3. Step 3: Cross multiply
    199,591.32x = 299,352.96 × 66,456.48
  4. Step 4: Simplify right side
    199,591.32x = 19,893,943,999.18
  5. Step 5: Solve for x
    x = 19,893,943,999.18/199,591.32
  6. Step 6: Final answer
    x = 99,673.39

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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.