Home / 115,417.58-173,104.49-40,520.12

Finding the Fourth Proportional to 115,417.58, 173,104.49 and 40,520.12

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Solution

The fourth proportional to 115,417.58, 173,104.49 and 40,520.12 is: 60,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,417.58 : 173,104.49 = 40,520.12 : x
  2. Step 2: Convert to fraction form
    115,417.58/173,104.49 = 40,520.12/x
  3. Step 3: Cross multiply
    115,417.58x = 173,104.49 × 40,520.12
  4. Step 4: Simplify right side
    115,417.58x = 7,014,213,943.12
  5. Step 5: Solve for x
    x = 7,014,213,943.12/115,417.58
  6. Step 6: Final answer
    x = 60,772.49

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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.