Home / 134,135.20-201,055.92-55,228.24

Finding the Fourth Proportional to 134,135.20, 201,055.92 and 55,228.24

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Solution

The fourth proportional to 134,135.20, 201,055.92 and 55,228.24 is: 82,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,135.20 : 201,055.92 = 55,228.24 : x
  2. Step 2: Convert to fraction form
    134,135.20/201,055.92 = 55,228.24/x
  3. Step 3: Cross multiply
    134,135.20x = 201,055.92 × 55,228.24
  4. Step 4: Simplify right side
    134,135.20x = 11,103,964,603.18
  5. Step 5: Solve for x
    x = 11,103,964,603.18/134,135.20
  6. Step 6: Final answer
    x = 82,781.88

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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.