Home / 115,401.55-173,178.01-40,519.77

Finding the Fourth Proportional to 115,401.55, 173,178.01 and 40,519.77

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Solution

The fourth proportional to 115,401.55, 173,178.01 and 40,519.77 is: 60,806.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,401.55 : 173,178.01 = 40,519.77 : x
  2. Step 2: Convert to fraction form
    115,401.55/173,178.01 = 40,519.77/x
  3. Step 3: Cross multiply
    115,401.55x = 173,178.01 × 40,519.77
  4. Step 4: Simplify right side
    115,401.55x = 7,017,132,268.37
  5. Step 5: Solve for x
    x = 7,017,132,268.37/115,401.55
  6. Step 6: Final answer
    x = 60,806.22

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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.