Home / 126,672.64-189,983.80-36,725.92

Finding the Fourth Proportional to 126,672.64, 189,983.80 and 36,725.92

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Solution

The fourth proportional to 126,672.64, 189,983.80 and 36,725.92 is: 55,081.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,672.64 : 189,983.80 = 36,725.92 : x
  2. Step 2: Convert to fraction form
    126,672.64/189,983.80 = 36,725.92/x
  3. Step 3: Cross multiply
    126,672.64x = 189,983.80 × 36,725.92
  4. Step 4: Simplify right side
    126,672.64x = 6,977,329,840.10
  5. Step 5: Solve for x
    x = 6,977,329,840.10/126,672.64
  6. Step 6: Final answer
    x = 55,081.59

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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.