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Finding the Fourth Proportional to 134,059.65, 185,004.54 and 73,635.87

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Solution

The fourth proportional to 134,059.65, 185,004.54 and 73,635.87 is: 101,618.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,059.65 : 185,004.54 = 73,635.87 : x
  2. Step 2: Convert to fraction form
    134,059.65/185,004.54 = 73,635.87/x
  3. Step 3: Cross multiply
    134,059.65x = 185,004.54 × 73,635.87
  4. Step 4: Simplify right side
    134,059.65x = 13,622,970,256.85
  5. Step 5: Solve for x
    x = 13,622,970,256.85/134,059.65
  6. Step 6: Final answer
    x = 101,618.72

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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.