Home / 134,745.44-185,946.36-74,321.72

Finding the Fourth Proportional to 134,745.44, 185,946.36 and 74,321.72

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Solution

The fourth proportional to 134,745.44, 185,946.36 and 74,321.72 is: 102,562.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,745.44 : 185,946.36 = 74,321.72 : x
  2. Step 2: Convert to fraction form
    134,745.44/185,946.36 = 74,321.72/x
  3. Step 3: Cross multiply
    134,745.44x = 185,946.36 × 74,321.72
  4. Step 4: Simplify right side
    134,745.44x = 13,819,853,302.94
  5. Step 5: Solve for x
    x = 13,819,853,302.94/134,745.44
  6. Step 6: Final answer
    x = 102,562.68

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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.