Home / 121,325.22-181,987.83-37,085.61

Finding the Fourth Proportional to 121,325.22, 181,987.83 and 37,085.61

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Solution

The fourth proportional to 121,325.22, 181,987.83 and 37,085.61 is: 55,628.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,325.22 : 181,987.83 = 37,085.61 : x
  2. Step 2: Convert to fraction form
    121,325.22/181,987.83 = 37,085.61/x
  3. Step 3: Cross multiply
    121,325.22x = 181,987.83 × 37,085.61
  4. Step 4: Simplify right side
    121,325.22x = 6,749,129,688.13
  5. Step 5: Solve for x
    x = 6,749,129,688.13/121,325.22
  6. Step 6: Final answer
    x = 55,628.42

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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.