Home / 113,330.90-169,996.35-68,230.10

Finding the Fourth Proportional to 113,330.90, 169,996.35 and 68,230.10

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Solution

The fourth proportional to 113,330.90, 169,996.35 and 68,230.10 is: 102,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,330.90 : 169,996.35 = 68,230.10 : x
  2. Step 2: Convert to fraction form
    113,330.90/169,996.35 = 68,230.10/x
  3. Step 3: Cross multiply
    113,330.90x = 169,996.35 × 68,230.10
  4. Step 4: Simplify right side
    113,330.90x = 11,598,867,960.14
  5. Step 5: Solve for x
    x = 11,598,867,960.14/113,330.90
  6. Step 6: Final answer
    x = 102,345.15

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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.