Home / 135,276.89-186,682.32-74,850.08

Finding the Fourth Proportional to 135,276.89, 186,682.32 and 74,850.08

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Solution

The fourth proportional to 135,276.89, 186,682.32 and 74,850.08 is: 103,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,276.89 : 186,682.32 = 74,850.08 : x
  2. Step 2: Convert to fraction form
    135,276.89/186,682.32 = 74,850.08/x
  3. Step 3: Cross multiply
    135,276.89x = 186,682.32 × 74,850.08
  4. Step 4: Simplify right side
    135,276.89x = 13,973,185,653.17
  5. Step 5: Solve for x
    x = 13,973,185,653.17/135,276.89
  6. Step 6: Final answer
    x = 103,293.22

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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.