Home / 135,325.08-186,748.97-74,899.89

Finding the Fourth Proportional to 135,325.08, 186,748.97 and 74,899.89

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Solution

The fourth proportional to 135,325.08, 186,748.97 and 74,899.89 is: 103,362.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,325.08 : 186,748.97 = 74,899.89 : x
  2. Step 2: Convert to fraction form
    135,325.08/186,748.97 = 74,899.89/x
  3. Step 3: Cross multiply
    135,325.08x = 186,748.97 × 74,899.89
  4. Step 4: Simplify right side
    135,325.08x = 13,987,476,936.11
  5. Step 5: Solve for x
    x = 13,987,476,936.11/135,325.08
  6. Step 6: Final answer
    x = 103,362.04

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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.