Home / 75,268.00-112,902.05-19,112.32

Finding the Fourth Proportional to 75,268.00, 112,902.05 and 19,112.32

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Solution

The fourth proportional to 75,268.00, 112,902.05 and 19,112.32 is: 28,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,268.00 : 112,902.05 = 19,112.32 : x
  2. Step 2: Convert to fraction form
    75,268.00/112,902.05 = 19,112.32/x
  3. Step 3: Cross multiply
    75,268.00x = 112,902.05 × 19,112.32
  4. Step 4: Simplify right side
    75,268.00x = 2,157,820,297.16
  5. Step 5: Solve for x
    x = 2,157,820,297.16/75,268.00
  6. Step 6: Final answer
    x = 28,668.49

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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.