Home / 208,738.48-288,059.20-113,245.16

Finding the Fourth Proportional to 208,738.48, 288,059.20 and 113,245.16

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Solution

The fourth proportional to 208,738.48, 288,059.20 and 113,245.16 is: 156,278.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,738.48 : 288,059.20 = 113,245.16 : x
  2. Step 2: Convert to fraction form
    208,738.48/288,059.20 = 113,245.16/x
  3. Step 3: Cross multiply
    208,738.48x = 288,059.20 × 113,245.16
  4. Step 4: Simplify right side
    208,738.48x = 32,621,310,193.47
  5. Step 5: Solve for x
    x = 32,621,310,193.47/208,738.48
  6. Step 6: Final answer
    x = 156,278.37

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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.