Home / 75,333.75-113,177.06-71,078.14

Finding the Fourth Proportional to 75,333.75, 113,177.06 and 71,078.14

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Solution

The fourth proportional to 75,333.75, 113,177.06 and 71,078.14 is: 106,783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,333.75 : 113,177.06 = 71,078.14 : x
  2. Step 2: Convert to fraction form
    75,333.75/113,177.06 = 71,078.14/x
  3. Step 3: Cross multiply
    75,333.75x = 113,177.06 × 71,078.14
  4. Step 4: Simplify right side
    75,333.75x = 8,044,414,915.47
  5. Step 5: Solve for x
    x = 8,044,414,915.47/75,333.75
  6. Step 6: Final answer
    x = 106,783.68

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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.