Home / 121,349.15-182,105.73-42,464.06

Finding the Fourth Proportional to 121,349.15, 182,105.73 and 42,464.06

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Solution

The fourth proportional to 121,349.15, 182,105.73 and 42,464.06 is: 63,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,349.15 : 182,105.73 = 42,464.06 : x
  2. Step 2: Convert to fraction form
    121,349.15/182,105.73 = 42,464.06/x
  3. Step 3: Cross multiply
    121,349.15x = 182,105.73 × 42,464.06
  4. Step 4: Simplify right side
    121,349.15x = 7,732,948,645.06
  5. Step 5: Solve for x
    x = 7,732,948,645.06/121,349.15
  6. Step 6: Final answer
    x = 63,724.79

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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.