Home / 115,659.18-173,489.97-40,765.37

Finding the Fourth Proportional to 115,659.18, 173,489.97 and 40,765.37

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Solution

The fourth proportional to 115,659.18, 173,489.97 and 40,765.37 is: 61,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,659.18 : 173,489.97 = 40,765.37 : x
  2. Step 2: Convert to fraction form
    115,659.18/173,489.97 = 40,765.37/x
  3. Step 3: Cross multiply
    115,659.18x = 173,489.97 × 40,765.37
  4. Step 4: Simplify right side
    115,659.18x = 7,072,381,950.89
  5. Step 5: Solve for x
    x = 7,072,381,950.89/115,659.18
  6. Step 6: Final answer
    x = 61,148.47

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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.