Home / 121,331.20-181,964.40-37,091.20

Finding the Fourth Proportional to 121,331.20, 181,964.40 and 37,091.20

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Solution

The fourth proportional to 121,331.20, 181,964.40 and 37,091.20 is: 55,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,331.20 : 181,964.40 = 37,091.20 : x
  2. Step 2: Convert to fraction form
    121,331.20/181,964.40 = 37,091.20/x
  3. Step 3: Cross multiply
    121,331.20x = 181,964.40 × 37,091.20
  4. Step 4: Simplify right side
    121,331.20x = 6,749,277,953.28
  5. Step 5: Solve for x
    x = 6,749,277,953.28/121,331.20
  6. Step 6: Final answer
    x = 55,626.90

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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.