Home / 208,330.39-312,503.28-107,101.33

Finding the Fourth Proportional to 208,330.39, 312,503.28 and 107,101.33

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Solution

The fourth proportional to 208,330.39, 312,503.28 and 107,101.33 is: 160,655.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,330.39 : 312,503.28 = 107,101.33 : x
  2. Step 2: Convert to fraction form
    208,330.39/312,503.28 = 107,101.33/x
  3. Step 3: Cross multiply
    208,330.39x = 312,503.28 × 107,101.33
  4. Step 4: Simplify right side
    208,330.39x = 33,469,516,917.36
  5. Step 5: Solve for x
    x = 33,469,516,917.36/208,330.39
  6. Step 6: Final answer
    x = 160,655.95

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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.