Home / 208,934.60-313,424.16-66,730.18

Finding the Fourth Proportional to 208,934.60, 313,424.16 and 66,730.18

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Solution

The fourth proportional to 208,934.60, 313,424.16 and 66,730.18 is: 100,102.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,934.60 : 313,424.16 = 66,730.18 : x
  2. Step 2: Convert to fraction form
    208,934.60/313,424.16 = 66,730.18/x
  3. Step 3: Cross multiply
    208,934.60x = 313,424.16 × 66,730.18
  4. Step 4: Simplify right side
    208,934.60x = 20,914,850,613.15
  5. Step 5: Solve for x
    x = 20,914,850,613.15/208,934.60
  6. Step 6: Final answer
    x = 100,102.38

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1.5x scale

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.