Home / 148,478.86-222,421.61-89,282.14

Finding the Fourth Proportional to 148,478.86, 222,421.61 and 89,282.14

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Solution

The fourth proportional to 148,478.86, 222,421.61 and 89,282.14 is: 133,744.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,478.86 : 222,421.61 = 89,282.14 : x
  2. Step 2: Convert to fraction form
    148,478.86/222,421.61 = 89,282.14/x
  3. Step 3: Cross multiply
    148,478.86x = 222,421.61 × 89,282.14
  4. Step 4: Simplify right side
    148,478.86x = 19,858,277,323.05
  5. Step 5: Solve for x
    x = 19,858,277,323.05/148,478.86
  6. Step 6: Final answer
    x = 133,744.81

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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.