Home / 213,755.78-294,957.04-123,141.08

Finding the Fourth Proportional to 213,755.78, 294,957.04 and 123,141.08

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Solution

The fourth proportional to 213,755.78, 294,957.04 and 123,141.08 is: 169,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,755.78 : 294,957.04 = 123,141.08 : x
  2. Step 2: Convert to fraction form
    213,755.78/294,957.04 = 123,141.08/x
  3. Step 3: Cross multiply
    213,755.78x = 294,957.04 × 123,141.08
  4. Step 4: Simplify right side
    213,755.78x = 36,321,326,676.57
  5. Step 5: Solve for x
    x = 36,321,326,676.57/213,755.78
  6. Step 6: Final answer
    x = 169,919.74

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1.5x scale

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.