Home / 239,172.60-358,512.72-106,115.52

Finding the Fourth Proportional to 239,172.60, 358,512.72 and 106,115.52

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Solution

The fourth proportional to 239,172.60, 358,512.72 and 106,115.52 is: 159,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,172.60 : 358,512.72 = 106,115.52 : x
  2. Step 2: Convert to fraction form
    239,172.60/358,512.72 = 106,115.52/x
  3. Step 3: Cross multiply
    239,172.60x = 358,512.72 × 106,115.52
  4. Step 4: Simplify right side
    239,172.60x = 38,043,763,709.41
  5. Step 5: Solve for x
    x = 38,043,763,709.41/239,172.60
  6. Step 6: Final answer
    x = 159,064.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.