Home / 126,260.56-174,234.48-69,671.20

Finding the Fourth Proportional to 126,260.56, 174,234.48 and 69,671.20

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Solution

The fourth proportional to 126,260.56, 174,234.48 and 69,671.20 is: 96,143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,260.56 : 174,234.48 = 69,671.20 : x
  2. Step 2: Convert to fraction form
    126,260.56/174,234.48 = 69,671.20/x
  3. Step 3: Cross multiply
    126,260.56x = 174,234.48 × 69,671.20
  4. Step 4: Simplify right side
    126,260.56x = 12,139,125,302.98
  5. Step 5: Solve for x
    x = 12,139,125,302.98/126,260.56
  6. Step 6: Final answer
    x = 96,143.45

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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.