Home / 208,785.20-313,223.76-88,835.74

Finding the Fourth Proportional to 208,785.20, 313,223.76 and 88,835.74

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Solution

The fourth proportional to 208,785.20, 313,223.76 and 88,835.74 is: 133,273.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,785.20 : 313,223.76 = 88,835.74 : x
  2. Step 2: Convert to fraction form
    208,785.20/313,223.76 = 88,835.74/x
  3. Step 3: Cross multiply
    208,785.20x = 313,223.76 × 88,835.74
  4. Step 4: Simplify right side
    208,785.20x = 27,825,463,722.12
  5. Step 5: Solve for x
    x = 27,825,463,722.12/208,785.20
  6. Step 6: Final answer
    x = 133,273.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.