Home / 126,079.26-189,146.57-37,339.71

Finding the Fourth Proportional to 126,079.26, 189,146.57 and 37,339.71

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Solution

The fourth proportional to 126,079.26, 189,146.57 and 37,339.71 is: 56,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,079.26 : 189,146.57 = 37,339.71 : x
  2. Step 2: Convert to fraction form
    126,079.26/189,146.57 = 37,339.71/x
  3. Step 3: Cross multiply
    126,079.26x = 189,146.57 × 37,339.71
  4. Step 4: Simplify right side
    126,079.26x = 7,062,677,884.60
  5. Step 5: Solve for x
    x = 7,062,677,884.60/126,079.26
  6. Step 6: Final answer
    x = 56,017.76

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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.