Home / 208,934.70-313,284.38-66,746.58

Finding the Fourth Proportional to 208,934.70, 313,284.38 and 66,746.58

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Solution

The fourth proportional to 208,934.70, 313,284.38 and 66,746.58 is: 100,082.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,934.70 : 313,284.38 = 66,746.58 : x
  2. Step 2: Convert to fraction form
    208,934.70/313,284.38 = 66,746.58/x
  3. Step 3: Cross multiply
    208,934.70x = 313,284.38 × 66,746.58
  4. Step 4: Simplify right side
    208,934.70x = 20,910,660,598.69
  5. Step 5: Solve for x
    x = 20,910,660,598.69/208,934.70
  6. Step 6: Final answer
    x = 100,082.28

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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.