Home / 208,828.52-288,183.54-113,335.20

Finding the Fourth Proportional to 208,828.52, 288,183.54 and 113,335.20

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Solution

The fourth proportional to 208,828.52, 288,183.54 and 113,335.20 is: 156,402.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,828.52 : 288,183.54 = 113,335.20 : x
  2. Step 2: Convert to fraction form
    208,828.52/288,183.54 = 113,335.20/x
  3. Step 3: Cross multiply
    208,828.52x = 288,183.54 × 113,335.20
  4. Step 4: Simplify right side
    208,828.52x = 32,661,339,142.61
  5. Step 5: Solve for x
    x = 32,661,339,142.61/208,828.52
  6. Step 6: Final answer
    x = 156,402.67

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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.