Home / 133,220.34-199,825.02-74,018.25

Finding the Fourth Proportional to 133,220.34, 199,825.02 and 74,018.25

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Solution

The fourth proportional to 133,220.34, 199,825.02 and 74,018.25 is: 111,024.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,220.34 : 199,825.02 = 74,018.25 : x
  2. Step 2: Convert to fraction form
    133,220.34/199,825.02 = 74,018.25/x
  3. Step 3: Cross multiply
    133,220.34x = 199,825.02 × 74,018.25
  4. Step 4: Simplify right side
    133,220.34x = 14,790,698,286.62
  5. Step 5: Solve for x
    x = 14,790,698,286.62/133,220.34
  6. Step 6: Final answer
    x = 111,024.32

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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.