Home / 136,218.30-204,327.45-122,440.20

Finding the Fourth Proportional to 136,218.30, 204,327.45 and 122,440.20

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Solution

The fourth proportional to 136,218.30, 204,327.45 and 122,440.20 is: 183,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,218.30 : 204,327.45 = 122,440.20 : x
  2. Step 2: Convert to fraction form
    136,218.30/204,327.45 = 122,440.20/x
  3. Step 3: Cross multiply
    136,218.30x = 204,327.45 × 122,440.20
  4. Step 4: Simplify right side
    136,218.30x = 25,017,893,843.49
  5. Step 5: Solve for x
    x = 25,017,893,843.49/136,218.30
  6. Step 6: Final answer
    x = 183,660.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.