Home / 133,226.87-183,850.89-72,796.21

Finding the Fourth Proportional to 133,226.87, 183,850.89 and 72,796.21

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Solution

The fourth proportional to 133,226.87, 183,850.89 and 72,796.21 is: 100,457.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,226.87 : 183,850.89 = 72,796.21 : x
  2. Step 2: Convert to fraction form
    133,226.87/183,850.89 = 72,796.21/x
  3. Step 3: Cross multiply
    133,226.87x = 183,850.89 × 72,796.21
  4. Step 4: Simplify right side
    133,226.87x = 13,383,647,264.51
  5. Step 5: Solve for x
    x = 13,383,647,264.51/133,226.87
  6. Step 6: Final answer
    x = 100,457.57

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1.5x scale

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.