Home / 135,795.20-186,732.69-117,858.97

Finding the Fourth Proportional to 135,795.20, 186,732.69 and 117,858.97

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Solution

The fourth proportional to 135,795.20, 186,732.69 and 117,858.97 is: 162,068.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,795.20 : 186,732.69 = 117,858.97 : x
  2. Step 2: Convert to fraction form
    135,795.20/186,732.69 = 117,858.97/x
  3. Step 3: Cross multiply
    135,795.20x = 186,732.69 × 117,858.97
  4. Step 4: Simplify right side
    135,795.20x = 22,008,121,919.43
  5. Step 5: Solve for x
    x = 22,008,121,919.43/135,795.20
  6. Step 6: Final answer
    x = 162,068.48

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1.5x scale

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.