Home / 115,450.11-159,279.01-67,694.20

Finding the Fourth Proportional to 115,450.11, 159,279.01 and 67,694.20

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Solution

The fourth proportional to 115,450.11, 159,279.01 and 67,694.20 is: 93,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,450.11 : 159,279.01 = 67,694.20 : x
  2. Step 2: Convert to fraction form
    115,450.11/159,279.01 = 67,694.20/x
  3. Step 3: Cross multiply
    115,450.11x = 159,279.01 × 67,694.20
  4. Step 4: Simplify right side
    115,450.11x = 10,782,264,591.31
  5. Step 5: Solve for x
    x = 10,782,264,591.31/115,450.11
  6. Step 6: Final answer
    x = 93,393.28

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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.