Home / 133,227.36-183,847.95-72,795.15

Finding the Fourth Proportional to 133,227.36, 183,847.95 and 72,795.15

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Solution

The fourth proportional to 133,227.36, 183,847.95 and 72,795.15 is: 100,454.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,227.36 : 183,847.95 = 72,795.15 : x
  2. Step 2: Convert to fraction form
    133,227.36/183,847.95 = 72,795.15/x
  3. Step 3: Cross multiply
    133,227.36x = 183,847.95 × 72,795.15
  4. Step 4: Simplify right side
    133,227.36x = 13,383,239,097.44
  5. Step 5: Solve for x
    x = 13,383,239,097.44/133,227.36
  6. Step 6: Final answer
    x = 100,454.13

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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.