Home / 220,435.94-304,182.14-122,321.64

Finding the Fourth Proportional to 220,435.94, 304,182.14 and 122,321.64

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Solution

The fourth proportional to 220,435.94, 304,182.14 and 122,321.64 is: 168,793.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,435.94 : 304,182.14 = 122,321.64 : x
  2. Step 2: Convert to fraction form
    220,435.94/304,182.14 = 122,321.64/x
  3. Step 3: Cross multiply
    220,435.94x = 304,182.14 × 122,321.64
  4. Step 4: Simplify right side
    220,435.94x = 37,208,058,223.51
  5. Step 5: Solve for x
    x = 37,208,058,223.51/220,435.94
  6. Step 6: Final answer
    x = 168,793.07

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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.