Home / 121,121.95-181,634.28-50,055.49

Finding the Fourth Proportional to 121,121.95, 181,634.28 and 50,055.49

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Solution

The fourth proportional to 121,121.95, 181,634.28 and 50,055.49 is: 75,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,121.95 : 181,634.28 = 50,055.49 : x
  2. Step 2: Convert to fraction form
    121,121.95/181,634.28 = 50,055.49/x
  3. Step 3: Cross multiply
    121,121.95x = 181,634.28 × 50,055.49
  4. Step 4: Simplify right side
    121,121.95x = 9,091,792,886.20
  5. Step 5: Solve for x
    x = 9,091,792,886.20/121,121.95
  6. Step 6: Final answer
    x = 75,063.13

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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.