Home / 75,814.28-113,742-23,222.60

Finding the Fourth Proportional to 75,814.28, 113,742 and 23,222.60

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Solution

The fourth proportional to 75,814.28, 113,742 and 23,222.60 is: 34,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,814.28 : 113,742 = 23,222.60 : x
  2. Step 2: Convert to fraction form
    75,814.28/113,742 = 23,222.60/x
  3. Step 3: Cross multiply
    75,814.28x = 113,742 × 23,222.60
  4. Step 4: Simplify right side
    75,814.28x = 2,641,384,969.20
  5. Step 5: Solve for x
    x = 2,641,384,969.20/75,814.28
  6. Step 6: Final answer
    x = 34,840.20

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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.