Home / 154,536.20-231,512.70-144,038.60

Finding the Fourth Proportional to 154,536.20, 231,512.70 and 144,038.60

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Solution

The fourth proportional to 154,536.20, 231,512.70 and 144,038.60 is: 215,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,536.20 : 231,512.70 = 144,038.60 : x
  2. Step 2: Convert to fraction form
    154,536.20/231,512.70 = 144,038.60/x
  3. Step 3: Cross multiply
    154,536.20x = 231,512.70 × 144,038.60
  4. Step 4: Simplify right side
    154,536.20x = 33,346,765,190.22
  5. Step 5: Solve for x
    x = 33,346,765,190.22/154,536.20
  6. Step 6: Final answer
    x = 215,786.11

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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.