Home / 136,267.36-188,005.20-82,535.20

Finding the Fourth Proportional to 136,267.36, 188,005.20 and 82,535.20

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Solution

The fourth proportional to 136,267.36, 188,005.20 and 82,535.20 is: 113,872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,267.36 : 188,005.20 = 82,535.20 : x
  2. Step 2: Convert to fraction form
    136,267.36/188,005.20 = 82,535.20/x
  3. Step 3: Cross multiply
    136,267.36x = 188,005.20 × 82,535.20
  4. Step 4: Simplify right side
    136,267.36x = 15,517,046,783.04
  5. Step 5: Solve for x
    x = 15,517,046,783.04/136,267.36
  6. Step 6: Final answer
    x = 113,872.07

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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.