Home / 208,722.50-288,037.62-113,229.20

Finding the Fourth Proportional to 208,722.50, 288,037.62 and 113,229.20

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Solution

The fourth proportional to 208,722.50, 288,037.62 and 113,229.20 is: 156,256.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,722.50 : 288,037.62 = 113,229.20 : x
  2. Step 2: Convert to fraction form
    208,722.50/288,037.62 = 113,229.20/x
  3. Step 3: Cross multiply
    208,722.50x = 288,037.62 × 113,229.20
  4. Step 4: Simplify right side
    208,722.50x = 32,614,269,282.50
  5. Step 5: Solve for x
    x = 32,614,269,282.50/208,722.50
  6. Step 6: Final answer
    x = 156,256.61

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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.