Home / 121,091.15-181,659.21-36,858.85

Finding the Fourth Proportional to 121,091.15, 181,659.21 and 36,858.85

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Solution

The fourth proportional to 121,091.15, 181,659.21 and 36,858.85 is: 55,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,091.15 : 181,659.21 = 36,858.85 : x
  2. Step 2: Convert to fraction form
    121,091.15/181,659.21 = 36,858.85/x
  3. Step 3: Cross multiply
    121,091.15x = 181,659.21 × 36,858.85
  4. Step 4: Simplify right side
    121,091.15x = 6,695,748,980.14
  5. Step 5: Solve for x
    x = 6,695,748,980.14/121,091.15
  6. Step 6: Final answer
    x = 55,295.11

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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.