Home / 134,765.20-201,925.32-82,015.12

Finding the Fourth Proportional to 134,765.20, 201,925.32 and 82,015.12

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Solution

The fourth proportional to 134,765.20, 201,925.32 and 82,015.12 is: 122,887.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,765.20 : 201,925.32 = 82,015.12 : x
  2. Step 2: Convert to fraction form
    134,765.20/201,925.32 = 82,015.12/x
  3. Step 3: Cross multiply
    134,765.20x = 201,925.32 × 82,015.12
  4. Step 4: Simplify right side
    134,765.20x = 16,560,929,350.84
  5. Step 5: Solve for x
    x = 16,560,929,350.84/134,765.20
  6. Step 6: Final answer
    x = 122,887.28

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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.