Home / 113,331.40-169,997.10-68,230.60

Finding the Fourth Proportional to 113,331.40, 169,997.10 and 68,230.60

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Solution

The fourth proportional to 113,331.40, 169,997.10 and 68,230.60 is: 102,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,331.40 : 169,997.10 = 68,230.60 : x
  2. Step 2: Convert to fraction form
    113,331.40/169,997.10 = 68,230.60/x
  3. Step 3: Cross multiply
    113,331.40x = 169,997.10 × 68,230.60
  4. Step 4: Simplify right side
    113,331.40x = 11,599,004,131.26
  5. Step 5: Solve for x
    x = 11,599,004,131.26/113,331.40
  6. Step 6: Final answer
    x = 102,345.90

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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.