Home / 135,317.43-203,001.08-45,351.36

Finding the Fourth Proportional to 135,317.43, 203,001.08 and 45,351.36

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Solution

The fourth proportional to 135,317.43, 203,001.08 and 45,351.36 is: 68,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,317.43 : 203,001.08 = 45,351.36 : x
  2. Step 2: Convert to fraction form
    135,317.43/203,001.08 = 45,351.36/x
  3. Step 3: Cross multiply
    135,317.43x = 203,001.08 × 45,351.36
  4. Step 4: Simplify right side
    135,317.43x = 9,206,374,832.71
  5. Step 5: Solve for x
    x = 9,206,374,832.71/135,317.43
  6. Step 6: Final answer
    x = 68,035.40

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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.