Home / 209,261.98-288,787.19-113,775.26

Finding the Fourth Proportional to 209,261.98, 288,787.19 and 113,775.26

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Solution

The fourth proportional to 209,261.98, 288,787.19 and 113,775.26 is: 157,012.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,261.98 : 288,787.19 = 113,775.26 : x
  2. Step 2: Convert to fraction form
    209,261.98/288,787.19 = 113,775.26/x
  3. Step 3: Cross multiply
    209,261.98x = 288,787.19 × 113,775.26
  4. Step 4: Simplify right side
    209,261.98x = 32,856,837,626.92
  5. Step 5: Solve for x
    x = 32,856,837,626.92/209,261.98
  6. Step 6: Final answer
    x = 157,012.93

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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.