Home / 78,141.21-117,187.21-44,876.94

Finding the Fourth Proportional to 78,141.21, 117,187.21 and 44,876.94

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Solution

The fourth proportional to 78,141.21, 117,187.21 and 44,876.94 is: 67,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,141.21 : 117,187.21 = 44,876.94 : x
  2. Step 2: Convert to fraction form
    78,141.21/117,187.21 = 44,876.94/x
  3. Step 3: Cross multiply
    78,141.21x = 117,187.21 × 44,876.94
  4. Step 4: Simplify right side
    78,141.21x = 5,259,002,756.15
  5. Step 5: Solve for x
    x = 5,259,002,756.15/78,141.21
  6. Step 6: Final answer
    x = 67,301.27

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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.