Home / 208,799.52-288,144.09-113,306.22

Finding the Fourth Proportional to 208,799.52, 288,144.09 and 113,306.22

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Solution

The fourth proportional to 208,799.52, 288,144.09 and 113,306.22 is: 156,362.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,799.52 : 288,144.09 = 113,306.22 : x
  2. Step 2: Convert to fraction form
    208,799.52/288,144.09 = 113,306.22/x
  3. Step 3: Cross multiply
    208,799.52x = 288,144.09 × 113,306.22
  4. Step 4: Simplify right side
    208,799.52x = 32,648,517,653.24
  5. Step 5: Solve for x
    x = 32,648,517,653.24/208,799.52
  6. Step 6: Final answer
    x = 156,362.99

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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.