Home / 134,919.82-186,189.60-74,490.58

Finding the Fourth Proportional to 134,919.82, 186,189.60 and 74,490.58

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Solution

The fourth proportional to 134,919.82, 186,189.60 and 74,490.58 is: 102,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,919.82 : 186,189.60 = 74,490.58 : x
  2. Step 2: Convert to fraction form
    134,919.82/186,189.60 = 74,490.58/x
  3. Step 3: Cross multiply
    134,919.82x = 186,189.60 × 74,490.58
  4. Step 4: Simplify right side
    134,919.82x = 13,869,371,293.97
  5. Step 5: Solve for x
    x = 13,869,371,293.97/134,919.82
  6. Step 6: Final answer
    x = 102,797.14

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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.