Home / 139,366.14-192,352.23-90,883.89

Finding the Fourth Proportional to 139,366.14, 192,352.23 and 90,883.89

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Solution

The fourth proportional to 139,366.14, 192,352.23 and 90,883.89 is: 125,437.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,366.14 : 192,352.23 = 90,883.89 : x
  2. Step 2: Convert to fraction form
    139,366.14/192,352.23 = 90,883.89/x
  3. Step 3: Cross multiply
    139,366.14x = 192,352.23 × 90,883.89
  4. Step 4: Simplify right side
    139,366.14x = 17,481,718,912.57
  5. Step 5: Solve for x
    x = 17,481,718,912.57/139,366.14
  6. Step 6: Final answer
    x = 125,437.35

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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.