Home / 135,150.84-186,491.88-74,713.32

Finding the Fourth Proportional to 135,150.84, 186,491.88 and 74,713.32

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Solution

The fourth proportional to 135,150.84, 186,491.88 and 74,713.32 is: 103,095.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,150.84 : 186,491.88 = 74,713.32 : x
  2. Step 2: Convert to fraction form
    135,150.84/186,491.88 = 74,713.32/x
  3. Step 3: Cross multiply
    135,150.84x = 186,491.88 × 74,713.32
  4. Step 4: Simplify right side
    135,150.84x = 13,933,427,507.84
  5. Step 5: Solve for x
    x = 13,933,427,507.84/135,150.84
  6. Step 6: Final answer
    x = 103,095.38

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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.