Home / 115,121.52-158,879.07-67,372.02

Finding the Fourth Proportional to 115,121.52, 158,879.07 and 67,372.02

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Solution

The fourth proportional to 115,121.52, 158,879.07 and 67,372.02 is: 92,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,121.52 : 158,879.07 = 67,372.02 : x
  2. Step 2: Convert to fraction form
    115,121.52/158,879.07 = 67,372.02/x
  3. Step 3: Cross multiply
    115,121.52x = 158,879.07 × 67,372.02
  4. Step 4: Simplify right side
    115,121.52x = 10,704,003,881.62
  5. Step 5: Solve for x
    x = 10,704,003,881.62/115,121.52
  6. Step 6: Final answer
    x = 92,980.04

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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.