Home / 199,481.48-275,300.88-113,467.40

Finding the Fourth Proportional to 199,481.48, 275,300.88 and 113,467.40

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Solution

The fourth proportional to 199,481.48, 275,300.88 and 113,467.40 is: 156,594.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,481.48 : 275,300.88 = 113,467.40 : x
  2. Step 2: Convert to fraction form
    199,481.48/275,300.88 = 113,467.40/x
  3. Step 3: Cross multiply
    199,481.48x = 275,300.88 × 113,467.40
  4. Step 4: Simplify right side
    199,481.48x = 31,237,675,071.31
  5. Step 5: Solve for x
    x = 31,237,675,071.31/199,481.48
  6. Step 6: Final answer
    x = 156,594.36

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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.