Home / 121,739.72-182,592.57-41,776.43

Finding the Fourth Proportional to 121,739.72, 182,592.57 and 41,776.43

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Solution

The fourth proportional to 121,739.72, 182,592.57 and 41,776.43 is: 62,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,739.72 : 182,592.57 = 41,776.43 : x
  2. Step 2: Convert to fraction form
    121,739.72/182,592.57 = 41,776.43/x
  3. Step 3: Cross multiply
    121,739.72x = 182,592.57 × 41,776.43
  4. Step 4: Simplify right side
    121,739.72x = 7,628,065,719.13
  5. Step 5: Solve for x
    x = 7,628,065,719.13/121,739.72
  6. Step 6: Final answer
    x = 62,658.81

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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.