Home / 115,438.56-173,175.15-40,545.50

Finding the Fourth Proportional to 115,438.56, 173,175.15 and 40,545.50

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Solution

The fourth proportional to 115,438.56, 173,175.15 and 40,545.50 is: 60,824.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,438.56 : 173,175.15 = 40,545.50 : x
  2. Step 2: Convert to fraction form
    115,438.56/173,175.15 = 40,545.50/x
  3. Step 3: Cross multiply
    115,438.56x = 173,175.15 × 40,545.50
  4. Step 4: Simplify right side
    115,438.56x = 7,021,473,076.54
  5. Step 5: Solve for x
    x = 7,021,473,076.54/115,438.56
  6. Step 6: Final answer
    x = 60,824.33

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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.