Home / 134,974.20-202,169.70-111,646.20

Finding the Fourth Proportional to 134,974.20, 202,169.70 and 111,646.20

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Solution

The fourth proportional to 134,974.20, 202,169.70 and 111,646.20 is: 167,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,974.20 : 202,169.70 = 111,646.20 : x
  2. Step 2: Convert to fraction form
    134,974.20/202,169.70 = 111,646.20/x
  3. Step 3: Cross multiply
    134,974.20x = 202,169.70 × 111,646.20
  4. Step 4: Simplify right side
    134,974.20x = 22,571,478,760.14
  5. Step 5: Solve for x
    x = 22,571,478,760.14/134,974.20
  6. Step 6: Final answer
    x = 167,228.10

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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.