Home / 137,277.07-189,344.70-125,983.03

Finding the Fourth Proportional to 137,277.07, 189,344.70 and 125,983.03

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Solution

The fourth proportional to 137,277.07, 189,344.70 and 125,983.03 is: 173,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,277.07 : 189,344.70 = 125,983.03 : x
  2. Step 2: Convert to fraction form
    137,277.07/189,344.70 = 125,983.03/x
  3. Step 3: Cross multiply
    137,277.07x = 189,344.70 × 125,983.03
  4. Step 4: Simplify right side
    137,277.07x = 23,854,219,020.44
  5. Step 5: Solve for x
    x = 23,854,219,020.44/137,277.07
  6. Step 6: Final answer
    x = 173,766.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.