Home / 133,219.19-183,837.02-72,791.91

Finding the Fourth Proportional to 133,219.19, 183,837.02 and 72,791.91

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Solution

The fourth proportional to 133,219.19, 183,837.02 and 72,791.91 is: 100,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,219.19 : 183,837.02 = 72,791.91 : x
  2. Step 2: Convert to fraction form
    133,219.19/183,837.02 = 72,791.91/x
  3. Step 3: Cross multiply
    133,219.19x = 183,837.02 × 72,791.91
  4. Step 4: Simplify right side
    133,219.19x = 13,381,847,450.55
  5. Step 5: Solve for x
    x = 13,381,847,450.55/133,219.19
  6. Step 6: Final answer
    x = 100,449.85

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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.