Home / 121,415.58-182,019.48-46,589.42

Finding the Fourth Proportional to 121,415.58, 182,019.48 and 46,589.42

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Solution

The fourth proportional to 121,415.58, 182,019.48 and 46,589.42 is: 69,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,415.58 : 182,019.48 = 46,589.42 : x
  2. Step 2: Convert to fraction form
    121,415.58/182,019.48 = 46,589.42/x
  3. Step 3: Cross multiply
    121,415.58x = 182,019.48 × 46,589.42
  4. Step 4: Simplify right side
    121,415.58x = 8,480,181,091.80
  5. Step 5: Solve for x
    x = 8,480,181,091.80/121,415.58
  6. Step 6: Final answer
    x = 69,844.26

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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.