Home / 121,403.80-182,111.10-41,440.60

Finding the Fourth Proportional to 121,403.80, 182,111.10 and 41,440.60

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Solution

The fourth proportional to 121,403.80, 182,111.10 and 41,440.60 is: 62,162.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,403.80 : 182,111.10 = 41,440.60 : x
  2. Step 2: Convert to fraction form
    121,403.80/182,111.10 = 41,440.60/x
  3. Step 3: Cross multiply
    121,403.80x = 182,111.10 × 41,440.60
  4. Step 4: Simplify right side
    121,403.80x = 7,546,793,250.66
  5. Step 5: Solve for x
    x = 7,546,793,250.66/121,403.80
  6. Step 6: Final answer
    x = 62,162.74

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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.