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Finding the Fourth Proportional to 159,810.60, 239,342.14 and 126,305.80

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Solution

The fourth proportional to 159,810.60, 239,342.14 and 126,305.80 is: 189,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,810.60 : 239,342.14 = 126,305.80 : x
  2. Step 2: Convert to fraction form
    159,810.60/239,342.14 = 126,305.80/x
  3. Step 3: Cross multiply
    159,810.60x = 239,342.14 × 126,305.80
  4. Step 4: Simplify right side
    159,810.60x = 30,230,300,466.41
  5. Step 5: Solve for x
    x = 30,230,300,466.41/159,810.60
  6. Step 6: Final answer
    x = 189,163.30

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1.5x scale

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.