Home / 134,390.64-185,452.04-73,949.60

Finding the Fourth Proportional to 134,390.64, 185,452.04 and 73,949.60

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Solution

The fourth proportional to 134,390.64, 185,452.04 and 73,949.60 is: 102,046.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,390.64 : 185,452.04 = 73,949.60 : x
  2. Step 2: Convert to fraction form
    134,390.64/185,452.04 = 73,949.60/x
  3. Step 3: Cross multiply
    134,390.64x = 185,452.04 × 73,949.60
  4. Step 4: Simplify right side
    134,390.64x = 13,714,104,177.18
  5. Step 5: Solve for x
    x = 13,714,104,177.18/134,390.64
  6. Step 6: Final answer
    x = 102,046.57

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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.