Home / 121,317.24-181,976.04-62,120.64

Finding the Fourth Proportional to 121,317.24, 181,976.04 and 62,120.64

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Solution

The fourth proportional to 121,317.24, 181,976.04 and 62,120.64 is: 93,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,317.24 : 181,976.04 = 62,120.64 : x
  2. Step 2: Convert to fraction form
    121,317.24/181,976.04 = 62,120.64/x
  3. Step 3: Cross multiply
    121,317.24x = 181,976.04 × 62,120.64
  4. Step 4: Simplify right side
    121,317.24x = 11,304,468,069.47
  5. Step 5: Solve for x
    x = 11,304,468,069.47/121,317.24
  6. Step 6: Final answer
    x = 93,181.05

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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.