Home / 135,345.33-202,954.01-40,538.88

Finding the Fourth Proportional to 135,345.33, 202,954.01 and 40,538.88

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Solution

The fourth proportional to 135,345.33, 202,954.01 and 40,538.88 is: 60,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,345.33 : 202,954.01 = 40,538.88 : x
  2. Step 2: Convert to fraction form
    135,345.33/202,954.01 = 40,538.88/x
  3. Step 3: Cross multiply
    135,345.33x = 202,954.01 × 40,538.88
  4. Step 4: Simplify right side
    135,345.33x = 8,227,528,054.21
  5. Step 5: Solve for x
    x = 8,227,528,054.21/135,345.33
  6. Step 6: Final answer
    x = 60,789.15

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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.