Home / 121,120.95-181,632.78-50,054.49

Finding the Fourth Proportional to 121,120.95, 181,632.78 and 50,054.49

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Solution

The fourth proportional to 121,120.95, 181,632.78 and 50,054.49 is: 75,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,120.95 : 181,632.78 = 50,054.49 : x
  2. Step 2: Convert to fraction form
    121,120.95/181,632.78 = 50,054.49/x
  3. Step 3: Cross multiply
    121,120.95x = 181,632.78 × 50,054.49
  4. Step 4: Simplify right side
    121,120.95x = 9,091,536,170.18
  5. Step 5: Solve for x
    x = 9,091,536,170.18/121,120.95
  6. Step 6: Final answer
    x = 75,061.63

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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.