Home / 121,112.40-181,733.40-50,998.80

Finding the Fourth Proportional to 121,112.40, 181,733.40 and 50,998.80

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Solution

The fourth proportional to 121,112.40, 181,733.40 and 50,998.80 is: 76,525.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,112.40 : 181,733.40 = 50,998.80 : x
  2. Step 2: Convert to fraction form
    121,112.40/181,733.40 = 50,998.80/x
  3. Step 3: Cross multiply
    121,112.40x = 181,733.40 × 50,998.80
  4. Step 4: Simplify right side
    121,112.40x = 9,268,185,319.92
  5. Step 5: Solve for x
    x = 9,268,185,319.92/121,112.40
  6. Step 6: Final answer
    x = 76,525.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.