Home / 144,032.85-198,745.47-80,358.30

Finding the Fourth Proportional to 144,032.85, 198,745.47 and 80,358.30

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Solution

The fourth proportional to 144,032.85, 198,745.47 and 80,358.30 is: 110,883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,032.85 : 198,745.47 = 80,358.30 : x
  2. Step 2: Convert to fraction form
    144,032.85/198,745.47 = 80,358.30/x
  3. Step 3: Cross multiply
    144,032.85x = 198,745.47 × 80,358.30
  4. Step 4: Simplify right side
    144,032.85x = 15,970,848,101.90
  5. Step 5: Solve for x
    x = 15,970,848,101.90/144,032.85
  6. Step 6: Final answer
    x = 110,883.37

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1.5x scale

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.