Home / 134,979.80-186,273.52-74,551.96

Finding the Fourth Proportional to 134,979.80, 186,273.52 and 74,551.96

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Solution

The fourth proportional to 134,979.80, 186,273.52 and 74,551.96 is: 102,882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,979.80 : 186,273.52 = 74,551.96 : x
  2. Step 2: Convert to fraction form
    134,979.80/186,273.52 = 74,551.96/x
  3. Step 3: Cross multiply
    134,979.80x = 186,273.52 × 74,551.96
  4. Step 4: Simplify right side
    134,979.80x = 13,887,056,012.10
  5. Step 5: Solve for x
    x = 13,887,056,012.10/134,979.80
  6. Step 6: Final answer
    x = 102,882.48

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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.