Home / 134,930.97-186,201.19-74,500.32

Finding the Fourth Proportional to 134,930.97, 186,201.19 and 74,500.32

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Solution

The fourth proportional to 134,930.97, 186,201.19 and 74,500.32 is: 102,808.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,930.97 : 186,201.19 = 74,500.32 : x
  2. Step 2: Convert to fraction form
    134,930.97/186,201.19 = 74,500.32/x
  3. Step 3: Cross multiply
    134,930.97x = 186,201.19 × 74,500.32
  4. Step 4: Simplify right side
    134,930.97x = 13,872,046,935.87
  5. Step 5: Solve for x
    x = 13,872,046,935.87/134,930.97
  6. Step 6: Final answer
    x = 102,808.47

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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.