Home / 149,247.22-205,894.62-100,833.58

Finding the Fourth Proportional to 149,247.22, 205,894.62 and 100,833.58

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Solution

The fourth proportional to 149,247.22, 205,894.62 and 100,833.58 is: 139,105.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,247.22 : 205,894.62 = 100,833.58 : x
  2. Step 2: Convert to fraction form
    149,247.22/205,894.62 = 100,833.58/x
  3. Step 3: Cross multiply
    149,247.22x = 205,894.62 × 100,833.58
  4. Step 4: Simplify right side
    149,247.22x = 20,761,091,637.34
  5. Step 5: Solve for x
    x = 20,761,091,637.34/149,247.22
  6. Step 6: Final answer
    x = 139,105.38

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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.