Home / 133,068.77-183,607.48-76,469.21

Finding the Fourth Proportional to 133,068.77, 183,607.48 and 76,469.21

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Solution

The fourth proportional to 133,068.77, 183,607.48 and 76,469.21 is: 105,511.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,068.77 : 183,607.48 = 76,469.21 : x
  2. Step 2: Convert to fraction form
    133,068.77/183,607.48 = 76,469.21/x
  3. Step 3: Cross multiply
    133,068.77x = 183,607.48 × 76,469.21
  4. Step 4: Simplify right side
    133,068.77x = 14,040,318,945.69
  5. Step 5: Solve for x
    x = 14,040,318,945.69/133,068.77
  6. Step 6: Final answer
    x = 105,511.75

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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.