Home / 121,112.25-181,671.87-32,365.89

Finding the Fourth Proportional to 121,112.25, 181,671.87 and 32,365.89

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Solution

The fourth proportional to 121,112.25, 181,671.87 and 32,365.89 is: 48,549.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,112.25 : 181,671.87 = 32,365.89 : x
  2. Step 2: Convert to fraction form
    121,112.25/181,671.87 = 32,365.89/x
  3. Step 3: Cross multiply
    121,112.25x = 181,671.87 × 32,365.89
  4. Step 4: Simplify right side
    121,112.25x = 5,879,971,760.51
  5. Step 5: Solve for x
    x = 5,879,971,760.51/121,112.25
  6. Step 6: Final answer
    x = 48,549.77

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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.