Home / 135,275.60-186,685.82-74,845.26

Finding the Fourth Proportional to 135,275.60, 186,685.82 and 74,845.26

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Solution

The fourth proportional to 135,275.60, 186,685.82 and 74,845.26 is: 103,289.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,275.60 : 186,685.82 = 74,845.26 : x
  2. Step 2: Convert to fraction form
    135,275.60/186,685.82 = 74,845.26/x
  3. Step 3: Cross multiply
    135,275.60x = 186,685.82 × 74,845.26
  4. Step 4: Simplify right side
    135,275.60x = 13,972,548,923.33
  5. Step 5: Solve for x
    x = 13,972,548,923.33/135,275.60
  6. Step 6: Final answer
    x = 103,289.50

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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.