Home / 142,268.08-213,624.06-135,958.18

Finding the Fourth Proportional to 142,268.08, 213,624.06 and 135,958.18

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Solution

The fourth proportional to 142,268.08, 213,624.06 and 135,958.18 is: 204,149.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,268.08 : 213,624.06 = 135,958.18 : x
  2. Step 2: Convert to fraction form
    142,268.08/213,624.06 = 135,958.18/x
  3. Step 3: Cross multiply
    142,268.08x = 213,624.06 × 135,958.18
  4. Step 4: Simplify right side
    142,268.08x = 29,043,938,401.81
  5. Step 5: Solve for x
    x = 29,043,938,401.81/142,268.08
  6. Step 6: Final answer
    x = 204,149.37

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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.