Home / 135,334.41-202,597.16-81,864.59

Finding the Fourth Proportional to 135,334.41, 202,597.16 and 81,864.59

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Solution

The fourth proportional to 135,334.41, 202,597.16 and 81,864.59 is: 122,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,334.41 : 202,597.16 = 81,864.59 : x
  2. Step 2: Convert to fraction form
    135,334.41/202,597.16 = 81,864.59/x
  3. Step 3: Cross multiply
    135,334.41x = 202,597.16 × 81,864.59
  4. Step 4: Simplify right side
    135,334.41x = 16,585,532,016.26
  5. Step 5: Solve for x
    x = 16,585,532,016.26/135,334.41
  6. Step 6: Final answer
    x = 122,552.22

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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.