Home / 126,136.64-189,228.27-36,175.58

Finding the Fourth Proportional to 126,136.64, 189,228.27 and 36,175.58

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Solution

The fourth proportional to 126,136.64, 189,228.27 and 36,175.58 is: 54,270.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,136.64 : 189,228.27 = 36,175.58 : x
  2. Step 2: Convert to fraction form
    126,136.64/189,228.27 = 36,175.58/x
  3. Step 3: Cross multiply
    126,136.64x = 189,228.27 × 36,175.58
  4. Step 4: Simplify right side
    126,136.64x = 6,845,442,419.65
  5. Step 5: Solve for x
    x = 6,845,442,419.65/126,136.64
  6. Step 6: Final answer
    x = 54,270.06

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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.