Home / 113,640.91-170,401.29-50,433.55

Finding the Fourth Proportional to 113,640.91, 170,401.29 and 50,433.55

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Solution

The fourth proportional to 113,640.91, 170,401.29 and 50,433.55 is: 75,623.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,640.91 : 170,401.29 = 50,433.55 : x
  2. Step 2: Convert to fraction form
    113,640.91/170,401.29 = 50,433.55/x
  3. Step 3: Cross multiply
    113,640.91x = 170,401.29 × 50,433.55
  4. Step 4: Simplify right side
    113,640.91x = 8,593,941,979.28
  5. Step 5: Solve for x
    x = 8,593,941,979.28/113,640.91
  6. Step 6: Final answer
    x = 75,623.66

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1.5x scale

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.