Home / 139,251.42-192,167.19-75,589.29

Finding the Fourth Proportional to 139,251.42, 192,167.19 and 75,589.29

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Solution

The fourth proportional to 139,251.42, 192,167.19 and 75,589.29 is: 104,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,251.42 : 192,167.19 = 75,589.29 : x
  2. Step 2: Convert to fraction form
    139,251.42/192,167.19 = 75,589.29/x
  3. Step 3: Cross multiply
    139,251.42x = 192,167.19 × 75,589.29
  4. Step 4: Simplify right side
    139,251.42x = 14,525,781,453.40
  5. Step 5: Solve for x
    x = 14,525,781,453.40/139,251.42
  6. Step 6: Final answer
    x = 104,313.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.