Home / 92,346.15-138,540.62-29,172.54

Finding the Fourth Proportional to 92,346.15, 138,540.62 and 29,172.54

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Solution

The fourth proportional to 92,346.15, 138,540.62 and 29,172.54 is: 43,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,346.15 : 138,540.62 = 29,172.54 : x
  2. Step 2: Convert to fraction form
    92,346.15/138,540.62 = 29,172.54/x
  3. Step 3: Cross multiply
    92,346.15x = 138,540.62 × 29,172.54
  4. Step 4: Simplify right side
    92,346.15x = 4,041,581,851.51
  5. Step 5: Solve for x
    x = 4,041,581,851.51/92,346.15
  6. Step 6: Final answer
    x = 43,765.57

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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.