Home / 148,686.44-222,738.06-86,225.72

Finding the Fourth Proportional to 148,686.44, 222,738.06 and 86,225.72

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Solution

The fourth proportional to 148,686.44, 222,738.06 and 86,225.72 is: 129,169.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,686.44 : 222,738.06 = 86,225.72 : x
  2. Step 2: Convert to fraction form
    148,686.44/222,738.06 = 86,225.72/x
  3. Step 3: Cross multiply
    148,686.44x = 222,738.06 × 86,225.72
  4. Step 4: Simplify right side
    148,686.44x = 19,205,749,594.90
  5. Step 5: Solve for x
    x = 19,205,749,594.90/148,686.44
  6. Step 6: Final answer
    x = 129,169.48

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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.