Home / 121,399.85-182,118.52-41,419.07

Finding the Fourth Proportional to 121,399.85, 182,118.52 and 41,419.07

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Solution

The fourth proportional to 121,399.85, 182,118.52 and 41,419.07 is: 62,135.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,399.85 : 182,118.52 = 41,419.07 : x
  2. Step 2: Convert to fraction form
    121,399.85/182,118.52 = 41,419.07/x
  3. Step 3: Cross multiply
    121,399.85x = 182,118.52 × 41,419.07
  4. Step 4: Simplify right side
    121,399.85x = 7,543,179,728.18
  5. Step 5: Solve for x
    x = 7,543,179,728.18/121,399.85
  6. Step 6: Final answer
    x = 62,135.00

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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.