Home / 213,037.38-294,001.11-122,422.68

Finding the Fourth Proportional to 213,037.38, 294,001.11 and 122,422.68

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Solution

The fourth proportional to 213,037.38, 294,001.11 and 122,422.68 is: 168,948.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,037.38 : 294,001.11 = 122,422.68 : x
  2. Step 2: Convert to fraction form
    213,037.38/294,001.11 = 122,422.68/x
  3. Step 3: Cross multiply
    213,037.38x = 294,001.11 × 122,422.68
  4. Step 4: Simplify right side
    213,037.38x = 35,992,403,809.17
  5. Step 5: Solve for x
    x = 35,992,403,809.17/213,037.38
  6. Step 6: Final answer
    x = 168,948.77

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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.