Home / 213,032.40-294,010.73-122,388.18

Finding the Fourth Proportional to 213,032.40, 294,010.73 and 122,388.18

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Solution

The fourth proportional to 213,032.40, 294,010.73 and 122,388.18 is: 168,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,032.40 : 294,010.73 = 122,388.18 : x
  2. Step 2: Convert to fraction form
    213,032.40/294,010.73 = 122,388.18/x
  3. Step 3: Cross multiply
    213,032.40x = 294,010.73 × 122,388.18
  4. Step 4: Simplify right side
    213,032.40x = 35,983,438,145.17
  5. Step 5: Solve for x
    x = 35,983,438,145.17/213,032.40
  6. Step 6: Final answer
    x = 168,910.64

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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.