Home / 136,016.88-204,005.16-72,759.12

Finding the Fourth Proportional to 136,016.88, 204,005.16 and 72,759.12

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Solution

The fourth proportional to 136,016.88, 204,005.16 and 72,759.12 is: 109,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,016.88 : 204,005.16 = 72,759.12 : x
  2. Step 2: Convert to fraction form
    136,016.88/204,005.16 = 72,759.12/x
  3. Step 3: Cross multiply
    136,016.88x = 204,005.16 × 72,759.12
  4. Step 4: Simplify right side
    136,016.88x = 14,843,235,917.06
  5. Step 5: Solve for x
    x = 14,843,235,917.06/136,016.88
  6. Step 6: Final answer
    x = 109,127.90

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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.