Home / 135,346.33-186,797.96-77,974.74

Finding the Fourth Proportional to 135,346.33, 186,797.96 and 77,974.74

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Solution

The fourth proportional to 135,346.33, 186,797.96 and 77,974.74 is: 107,616.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,346.33 : 186,797.96 = 77,974.74 : x
  2. Step 2: Convert to fraction form
    135,346.33/186,797.96 = 77,974.74/x
  3. Step 3: Cross multiply
    135,346.33x = 186,797.96 × 77,974.74
  4. Step 4: Simplify right side
    135,346.33x = 14,565,522,901.08
  5. Step 5: Solve for x
    x = 14,565,522,901.08/135,346.33
  6. Step 6: Final answer
    x = 107,616.68

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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.