Home / 78,935.68-118,414.40-36,794.08

Finding the Fourth Proportional to 78,935.68, 118,414.40 and 36,794.08

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Solution

The fourth proportional to 78,935.68, 118,414.40 and 36,794.08 is: 55,196.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,935.68 : 118,414.40 = 36,794.08 : x
  2. Step 2: Convert to fraction form
    78,935.68/118,414.40 = 36,794.08/x
  3. Step 3: Cross multiply
    78,935.68x = 118,414.40 × 36,794.08
  4. Step 4: Simplify right side
    78,935.68x = 4,356,948,906.75
  5. Step 5: Solve for x
    x = 4,356,948,906.75/78,935.68
  6. Step 6: Final answer
    x = 55,196.19

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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.