Home / 121,318.08-181,992.48-47,436.48

Finding the Fourth Proportional to 121,318.08, 181,992.48 and 47,436.48

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Solution

The fourth proportional to 121,318.08, 181,992.48 and 47,436.48 is: 71,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,318.08 : 181,992.48 = 47,436.48 : x
  2. Step 2: Convert to fraction form
    121,318.08/181,992.48 = 47,436.48/x
  3. Step 3: Cross multiply
    121,318.08x = 181,992.48 × 47,436.48
  4. Step 4: Simplify right side
    121,318.08x = 8,633,082,637.67
  5. Step 5: Solve for x
    x = 8,633,082,637.67/121,318.08
  6. Step 6: Final answer
    x = 71,160.73

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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.