Home / 135,244.66-186,621.36-77,902.64

Finding the Fourth Proportional to 135,244.66, 186,621.36 and 77,902.64

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Solution

The fourth proportional to 135,244.66, 186,621.36 and 77,902.64 is: 107,496.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,244.66 : 186,621.36 = 77,902.64 : x
  2. Step 2: Convert to fraction form
    135,244.66/186,621.36 = 77,902.64/x
  3. Step 3: Cross multiply
    135,244.66x = 186,621.36 × 77,902.64
  4. Step 4: Simplify right side
    135,244.66x = 14,538,296,624.39
  5. Step 5: Solve for x
    x = 14,538,296,624.39/135,244.66
  6. Step 6: Final answer
    x = 107,496.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.