Home / 148,597.27-222,502.21-78,328.96

Finding the Fourth Proportional to 148,597.27, 222,502.21 and 78,328.96

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Solution

The fourth proportional to 148,597.27, 222,502.21 and 78,328.96 is: 117,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,597.27 : 222,502.21 = 78,328.96 : x
  2. Step 2: Convert to fraction form
    148,597.27/222,502.21 = 78,328.96/x
  3. Step 3: Cross multiply
    148,597.27x = 222,502.21 × 78,328.96
  4. Step 4: Simplify right side
    148,597.27x = 17,428,365,954.92
  5. Step 5: Solve for x
    x = 17,428,365,954.92/148,597.27
  6. Step 6: Final answer
    x = 117,285.91

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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.