Home / 79,184.36-109,268.49-45,191.90

Finding the Fourth Proportional to 79,184.36, 109,268.49 and 45,191.90

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Solution

The fourth proportional to 79,184.36, 109,268.49 and 45,191.90 is: 62,361.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,184.36 : 109,268.49 = 45,191.90 : x
  2. Step 2: Convert to fraction form
    79,184.36/109,268.49 = 45,191.90/x
  3. Step 3: Cross multiply
    79,184.36x = 109,268.49 × 45,191.90
  4. Step 4: Simplify right side
    79,184.36x = 4,938,050,673.23
  5. Step 5: Solve for x
    x = 4,938,050,673.23/79,184.36
  6. Step 6: Final answer
    x = 62,361.44

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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.