Home / 124,103.12-171,273.89-73,131.66

Finding the Fourth Proportional to 124,103.12, 171,273.89 and 73,131.66

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Solution

The fourth proportional to 124,103.12, 171,273.89 and 73,131.66 is: 100,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,103.12 : 171,273.89 = 73,131.66 : x
  2. Step 2: Convert to fraction form
    124,103.12/171,273.89 = 73,131.66/x
  3. Step 3: Cross multiply
    124,103.12x = 171,273.89 × 73,131.66
  4. Step 4: Simplify right side
    124,103.12x = 12,525,543,524.70
  5. Step 5: Solve for x
    x = 12,525,543,524.70/124,103.12
  6. Step 6: Final answer
    x = 100,928.52

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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.