Home / 135,126.39-202,718.34-40,355.58

Finding the Fourth Proportional to 135,126.39, 202,718.34 and 40,355.58

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Solution

The fourth proportional to 135,126.39, 202,718.34 and 40,355.58 is: 60,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,126.39 : 202,718.34 = 40,355.58 : x
  2. Step 2: Convert to fraction form
    135,126.39/202,718.34 = 40,355.58/x
  3. Step 3: Cross multiply
    135,126.39x = 202,718.34 × 40,355.58
  4. Step 4: Simplify right side
    135,126.39x = 8,180,816,187.34
  5. Step 5: Solve for x
    x = 8,180,816,187.34/135,126.39
  6. Step 6: Final answer
    x = 60,541.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.