Home / 199,366.89-275,120.14-113,335.27

Finding the Fourth Proportional to 199,366.89, 275,120.14 and 113,335.27

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Solution

The fourth proportional to 199,366.89, 275,120.14 and 113,335.27 is: 156,399.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,366.89 : 275,120.14 = 113,335.27 : x
  2. Step 2: Convert to fraction form
    199,366.89/275,120.14 = 113,335.27/x
  3. Step 3: Cross multiply
    199,366.89x = 275,120.14 × 113,335.27
  4. Step 4: Simplify right side
    199,366.89x = 31,180,815,349.34
  5. Step 5: Solve for x
    x = 31,180,815,349.34/199,366.89
  6. Step 6: Final answer
    x = 156,399.17

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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.