Home / 179,583.40-269,202.30-139,580.20

Finding the Fourth Proportional to 179,583.40, 269,202.30 and 139,580.20

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Solution

The fourth proportional to 179,583.40, 269,202.30 and 139,580.20 is: 209,235.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,583.40 : 269,202.30 = 139,580.20 : x
  2. Step 2: Convert to fraction form
    179,583.40/269,202.30 = 139,580.20/x
  3. Step 3: Cross multiply
    179,583.40x = 269,202.30 × 139,580.20
  4. Step 4: Simplify right side
    179,583.40x = 37,575,310,874.46
  5. Step 5: Solve for x
    x = 37,575,310,874.46/179,583.40
  6. Step 6: Final answer
    x = 209,235.99

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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.