Home / 113,367.30-169,905.15-68,946.90

Finding the Fourth Proportional to 113,367.30, 169,905.15 and 68,946.90

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Solution

The fourth proportional to 113,367.30, 169,905.15 and 68,946.90 is: 103,331.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,367.30 : 169,905.15 = 68,946.90 : x
  2. Step 2: Convert to fraction form
    113,367.30/169,905.15 = 68,946.90/x
  3. Step 3: Cross multiply
    113,367.30x = 169,905.15 × 68,946.90
  4. Step 4: Simplify right side
    113,367.30x = 11,714,433,386.54
  5. Step 5: Solve for x
    x = 11,714,433,386.54/113,367.30
  6. Step 6: Final answer
    x = 103,331.68

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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.