Home / 115,688.20-173,546.31-40,793.02

Finding the Fourth Proportional to 115,688.20, 173,546.31 and 40,793.02

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Solution

The fourth proportional to 115,688.20, 173,546.31 and 40,793.02 is: 61,194.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,688.20 : 173,546.31 = 40,793.02 : x
  2. Step 2: Convert to fraction form
    115,688.20/173,546.31 = 40,793.02/x
  3. Step 3: Cross multiply
    115,688.20x = 173,546.31 × 40,793.02
  4. Step 4: Simplify right side
    115,688.20x = 7,079,477,641.77
  5. Step 5: Solve for x
    x = 7,079,477,641.77/115,688.20
  6. Step 6: Final answer
    x = 61,194.47

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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.