Home / 135,336.06-186,760.68-74,903.04

Finding the Fourth Proportional to 135,336.06, 186,760.68 and 74,903.04

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Solution

The fourth proportional to 135,336.06, 186,760.68 and 74,903.04 is: 103,364.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,336.06 : 186,760.68 = 74,903.04 : x
  2. Step 2: Convert to fraction form
    135,336.06/186,760.68 = 74,903.04/x
  3. Step 3: Cross multiply
    135,336.06x = 186,760.68 × 74,903.04
  4. Step 4: Simplify right side
    135,336.06x = 13,988,942,684.47
  5. Step 5: Solve for x
    x = 13,988,942,684.47/135,336.06
  6. Step 6: Final answer
    x = 103,364.49

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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.