Home / 208,845.72-288,207.41-113,352.45

Finding the Fourth Proportional to 208,845.72, 288,207.41 and 113,352.45

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Solution

The fourth proportional to 208,845.72, 288,207.41 and 113,352.45 is: 156,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,845.72 : 288,207.41 = 113,352.45 : x
  2. Step 2: Convert to fraction form
    208,845.72/288,207.41 = 113,352.45/x
  3. Step 3: Cross multiply
    208,845.72x = 288,207.41 × 113,352.45
  4. Step 4: Simplify right side
    208,845.72x = 32,669,015,464.89
  5. Step 5: Solve for x
    x = 32,669,015,464.89/208,845.72
  6. Step 6: Final answer
    x = 156,426.55

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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.