Home / 133,170.75-183,775.64-73,558.59

Finding the Fourth Proportional to 133,170.75, 183,775.64 and 73,558.59

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Solution

The fourth proportional to 133,170.75, 183,775.64 and 73,558.59 is: 101,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,170.75 : 183,775.64 = 73,558.59 : x
  2. Step 2: Convert to fraction form
    133,170.75/183,775.64 = 73,558.59/x
  3. Step 3: Cross multiply
    133,170.75x = 183,775.64 × 73,558.59
  4. Step 4: Simplify right side
    133,170.75x = 13,518,276,586.95
  5. Step 5: Solve for x
    x = 13,518,276,586.95/133,170.75
  6. Step 6: Final answer
    x = 101,510.85

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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.