Home / 120,268.00-165,958.56-71,860.29

Finding the Fourth Proportional to 120,268.00, 165,958.56 and 71,860.29

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Solution

The fourth proportional to 120,268.00, 165,958.56 and 71,860.29 is: 99,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,268.00 : 165,958.56 = 71,860.29 : x
  2. Step 2: Convert to fraction form
    120,268.00/165,958.56 = 71,860.29/x
  3. Step 3: Cross multiply
    120,268.00x = 165,958.56 × 71,860.29
  4. Step 4: Simplify right side
    120,268.00x = 11,925,830,296.10
  5. Step 5: Solve for x
    x = 11,925,830,296.10/120,268.00
  6. Step 6: Final answer
    x = 99,160.46

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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.