Home / 208,757.88-288,086.52-113,265.36

Finding the Fourth Proportional to 208,757.88, 288,086.52 and 113,265.36

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Solution

The fourth proportional to 208,757.88, 288,086.52 and 113,265.36 is: 156,306.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,757.88 : 288,086.52 = 113,265.36 : x
  2. Step 2: Convert to fraction form
    208,757.88/288,086.52 = 113,265.36/x
  3. Step 3: Cross multiply
    208,757.88x = 288,086.52 × 113,265.36
  4. Step 4: Simplify right side
    208,757.88x = 32,630,223,398.95
  5. Step 5: Solve for x
    x = 32,630,223,398.95/208,757.88
  6. Step 6: Final answer
    x = 156,306.55

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1.5x scale

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.