Home / 79,451.36-119,131.44-61,433.12

Finding the Fourth Proportional to 79,451.36, 119,131.44 and 61,433.12

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Solution

The fourth proportional to 79,451.36, 119,131.44 and 61,433.12 is: 92,114.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,451.36 : 119,131.44 = 61,433.12 : x
  2. Step 2: Convert to fraction form
    79,451.36/119,131.44 = 61,433.12/x
  3. Step 3: Cross multiply
    79,451.36x = 119,131.44 × 61,433.12
  4. Step 4: Simplify right side
    79,451.36x = 7,318,616,049.29
  5. Step 5: Solve for x
    x = 7,318,616,049.29/79,451.36
  6. Step 6: Final answer
    x = 92,114.42

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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.