Home / 181,982.70-251,132.72-101,408.49

Finding the Fourth Proportional to 181,982.70, 251,132.72 and 101,408.49

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Solution

The fourth proportional to 181,982.70, 251,132.72 and 101,408.49 is: 139,941.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,982.70 : 251,132.72 = 101,408.49 : x
  2. Step 2: Convert to fraction form
    181,982.70/251,132.72 = 101,408.49/x
  3. Step 3: Cross multiply
    181,982.70x = 251,132.72 × 101,408.49
  4. Step 4: Simplify right side
    181,982.70x = 25,466,989,417.75
  5. Step 5: Solve for x
    x = 25,466,989,417.75/181,982.70
  6. Step 6: Final answer
    x = 139,941.82

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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.