Home / 148,226.40-222,396-89,102.88

Finding the Fourth Proportional to 148,226.40, 222,396 and 89,102.88

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Solution

The fourth proportional to 148,226.40, 222,396 and 89,102.88 is: 133,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,226.40 : 222,396 = 89,102.88 : x
  2. Step 2: Convert to fraction form
    148,226.40/222,396 = 89,102.88/x
  3. Step 3: Cross multiply
    148,226.40x = 222,396 × 89,102.88
  4. Step 4: Simplify right side
    148,226.40x = 19,816,124,100.48
  5. Step 5: Solve for x
    x = 19,816,124,100.48/148,226.40
  6. Step 6: Final answer
    x = 133,688.22

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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.