Home / 149,334.60-205,798.20-106,819.32

Finding the Fourth Proportional to 149,334.60, 205,798.20 and 106,819.32

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Solution

The fourth proportional to 149,334.60, 205,798.20 and 106,819.32 is: 147,207.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,334.60 : 205,798.20 = 106,819.32 : x
  2. Step 2: Convert to fraction form
    149,334.60/205,798.20 = 106,819.32/x
  3. Step 3: Cross multiply
    149,334.60x = 205,798.20 × 106,819.32
  4. Step 4: Simplify right side
    149,334.60x = 21,983,223,781.22
  5. Step 5: Solve for x
    x = 21,983,223,781.22/149,334.60
  6. Step 6: Final answer
    x = 147,207.84

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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.