Home / 121,147.86-181,742.55-41,177.37

Finding the Fourth Proportional to 121,147.86, 181,742.55 and 41,177.37

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Solution

The fourth proportional to 121,147.86, 181,742.55 and 41,177.37 is: 61,773.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,147.86 : 181,742.55 = 41,177.37 : x
  2. Step 2: Convert to fraction form
    121,147.86/181,742.55 = 41,177.37/x
  3. Step 3: Cross multiply
    121,147.86x = 181,742.55 × 41,177.37
  4. Step 4: Simplify right side
    121,147.86x = 7,483,680,226.09
  5. Step 5: Solve for x
    x = 7,483,680,226.09/121,147.86
  6. Step 6: Final answer
    x = 61,773.11

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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.