Home / 121,990.23-182,966.64-33,250.86

Finding the Fourth Proportional to 121,990.23, 182,966.64 and 33,250.86

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Solution

The fourth proportional to 121,990.23, 182,966.64 and 33,250.86 is: 49,871.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,990.23 : 182,966.64 = 33,250.86 : x
  2. Step 2: Convert to fraction form
    121,990.23/182,966.64 = 33,250.86/x
  3. Step 3: Cross multiply
    121,990.23x = 182,966.64 × 33,250.86
  4. Step 4: Simplify right side
    121,990.23x = 6,083,798,131.31
  5. Step 5: Solve for x
    x = 6,083,798,131.31/121,990.23
  6. Step 6: Final answer
    x = 49,871.19

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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.