Home / 133,091.58-183,663.96-75,729.65

Finding the Fourth Proportional to 133,091.58, 183,663.96 and 75,729.65

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Solution

The fourth proportional to 133,091.58, 183,663.96 and 75,729.65 is: 104,505.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,091.58 : 183,663.96 = 75,729.65 : x
  2. Step 2: Convert to fraction form
    133,091.58/183,663.96 = 75,729.65/x
  3. Step 3: Cross multiply
    133,091.58x = 183,663.96 × 75,729.65
  4. Step 4: Simplify right side
    133,091.58x = 13,908,807,408.41
  5. Step 5: Solve for x
    x = 13,908,807,408.41/133,091.58
  6. Step 6: Final answer
    x = 104,505.54

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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.