Home / 121,290.54-181,970.92-50,200.04

Finding the Fourth Proportional to 121,290.54, 181,970.92 and 50,200.04

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Solution

The fourth proportional to 121,290.54, 181,970.92 and 50,200.04 is: 75,314.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,290.54 : 181,970.92 = 50,200.04 : x
  2. Step 2: Convert to fraction form
    121,290.54/181,970.92 = 50,200.04/x
  3. Step 3: Cross multiply
    121,290.54x = 181,970.92 × 50,200.04
  4. Step 4: Simplify right side
    121,290.54x = 9,134,947,462.84
  5. Step 5: Solve for x
    x = 9,134,947,462.84/121,290.54
  6. Step 6: Final answer
    x = 75,314.59

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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.