Home / 135,034.26-186,331.40-74,601.30

Finding the Fourth Proportional to 135,034.26, 186,331.40 and 74,601.30

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Solution

The fourth proportional to 135,034.26, 186,331.40 and 74,601.30 is: 102,941.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,034.26 : 186,331.40 = 74,601.30 : x
  2. Step 2: Convert to fraction form
    135,034.26/186,331.40 = 74,601.30/x
  3. Step 3: Cross multiply
    135,034.26x = 186,331.40 × 74,601.30
  4. Step 4: Simplify right side
    135,034.26x = 13,900,565,617.26
  5. Step 5: Solve for x
    x = 13,900,565,617.26/135,034.26
  6. Step 6: Final answer
    x = 102,941.03

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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.