Home / 119,831.72-165,427.70-74,524.30

Finding the Fourth Proportional to 119,831.72, 165,427.70 and 74,524.30

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Solution

The fourth proportional to 119,831.72, 165,427.70 and 74,524.30 is: 102,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,831.72 : 165,427.70 = 74,524.30 : x
  2. Step 2: Convert to fraction form
    119,831.72/165,427.70 = 74,524.30/x
  3. Step 3: Cross multiply
    119,831.72x = 165,427.70 × 74,524.30
  4. Step 4: Simplify right side
    119,831.72x = 12,328,383,796.47
  5. Step 5: Solve for x
    x = 12,328,383,796.47/119,831.72
  6. Step 6: Final answer
    x = 102,880.80

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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.