Home / 94,155.11-129,933.26-51,135.72

Finding the Fourth Proportional to 94,155.11, 129,933.26 and 51,135.72

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Solution

The fourth proportional to 94,155.11, 129,933.26 and 51,135.72 is: 70,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,155.11 : 129,933.26 = 51,135.72 : x
  2. Step 2: Convert to fraction form
    94,155.11/129,933.26 = 51,135.72/x
  3. Step 3: Cross multiply
    94,155.11x = 129,933.26 × 51,135.72
  4. Step 4: Simplify right side
    94,155.11x = 6,644,231,269.39
  5. Step 5: Solve for x
    x = 6,644,231,269.39/94,155.11
  6. Step 6: Final answer
    x = 70,566.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.