Home / 208,738.10-288,059.13-113,244.79

Finding the Fourth Proportional to 208,738.10, 288,059.13 and 113,244.79

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Solution

The fourth proportional to 208,738.10, 288,059.13 and 113,244.79 is: 156,278.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,738.10 : 288,059.13 = 113,244.79 : x
  2. Step 2: Convert to fraction form
    208,738.10/288,059.13 = 113,244.79/x
  3. Step 3: Cross multiply
    208,738.10x = 288,059.13 × 113,244.79
  4. Step 4: Simplify right side
    208,738.10x = 32,621,195,684.43
  5. Step 5: Solve for x
    x = 32,621,195,684.43/208,738.10
  6. Step 6: Final answer
    x = 156,278.11

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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.