Home / 148,643.70-222,999.61-64,418

Finding the Fourth Proportional to 148,643.70, 222,999.61 and 64,418

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Solution

The fourth proportional to 148,643.70, 222,999.61 and 64,418 is: 96,641.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,643.70 : 222,999.61 = 64,418 : x
  2. Step 2: Convert to fraction form
    148,643.70/222,999.61 = 64,418/x
  3. Step 3: Cross multiply
    148,643.70x = 222,999.61 × 64,418
  4. Step 4: Simplify right side
    148,643.70x = 14,365,188,876.98
  5. Step 5: Solve for x
    x = 14,365,188,876.98/148,643.70
  6. Step 6: Final answer
    x = 96,641.76

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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.