Home / 135,352.08-186,786.23-74,926.89

Finding the Fourth Proportional to 135,352.08, 186,786.23 and 74,926.89

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Solution

The fourth proportional to 135,352.08, 186,786.23 and 74,926.89 is: 103,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,352.08 : 186,786.23 = 74,926.89 : x
  2. Step 2: Convert to fraction form
    135,352.08/186,786.23 = 74,926.89/x
  3. Step 3: Cross multiply
    135,352.08x = 186,786.23 × 74,926.89
  4. Step 4: Simplify right side
    135,352.08x = 13,995,310,934.09
  5. Step 5: Solve for x
    x = 13,995,310,934.09/135,352.08
  6. Step 6: Final answer
    x = 103,399.30

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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.