Home / 158,749.64-238,197.38-68,819.80

Finding the Fourth Proportional to 158,749.64, 238,197.38 and 68,819.80

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Solution

The fourth proportional to 158,749.64, 238,197.38 and 68,819.80 is: 103,261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,749.64 : 238,197.38 = 68,819.80 : x
  2. Step 2: Convert to fraction form
    158,749.64/238,197.38 = 68,819.80/x
  3. Step 3: Cross multiply
    158,749.64x = 238,197.38 × 68,819.80
  4. Step 4: Simplify right side
    158,749.64x = 16,392,696,052.12
  5. Step 5: Solve for x
    x = 16,392,696,052.12/158,749.64
  6. Step 6: Final answer
    x = 103,261.31

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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.