Home / 181,738.60-272,651.10-76,503.40

Finding the Fourth Proportional to 181,738.60, 272,651.10 and 76,503.40

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Solution

The fourth proportional to 181,738.60, 272,651.10 and 76,503.40 is: 114,773.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,738.60 : 272,651.10 = 76,503.40 : x
  2. Step 2: Convert to fraction form
    181,738.60/272,651.10 = 76,503.40/x
  3. Step 3: Cross multiply
    181,738.60x = 272,651.10 × 76,503.40
  4. Step 4: Simplify right side
    181,738.60x = 20,858,736,163.74
  5. Step 5: Solve for x
    x = 20,858,736,163.74/181,738.60
  6. Step 6: Final answer
    x = 114,773.29

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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.