Home / 134,175.15-201,238.38-54,210.15

Finding the Fourth Proportional to 134,175.15, 201,238.38 and 54,210.15

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Solution

The fourth proportional to 134,175.15, 201,238.38 and 54,210.15 is: 81,305.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,175.15 : 201,238.38 = 54,210.15 : x
  2. Step 2: Convert to fraction form
    134,175.15/201,238.38 = 54,210.15/x
  3. Step 3: Cross multiply
    134,175.15x = 201,238.38 × 54,210.15
  4. Step 4: Simplify right side
    134,175.15x = 10,909,162,765.56
  5. Step 5: Solve for x
    x = 10,909,162,765.56/134,175.15
  6. Step 6: Final answer
    x = 81,305.39

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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.