Home / 131,127.86-180,954.51-73,762.85

Finding the Fourth Proportional to 131,127.86, 180,954.51 and 73,762.85

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Solution

The fourth proportional to 131,127.86, 180,954.51 and 73,762.85 is: 101,791.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,127.86 : 180,954.51 = 73,762.85 : x
  2. Step 2: Convert to fraction form
    131,127.86/180,954.51 = 73,762.85/x
  3. Step 3: Cross multiply
    131,127.86x = 180,954.51 × 73,762.85
  4. Step 4: Simplify right side
    131,127.86x = 13,347,720,553.73
  5. Step 5: Solve for x
    x = 13,347,720,553.73/131,127.86
  6. Step 6: Final answer
    x = 101,791.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.