Home / 148,478.36-222,420.86-89,281.64

Finding the Fourth Proportional to 148,478.36, 222,420.86 and 89,281.64

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Solution

The fourth proportional to 148,478.36, 222,420.86 and 89,281.64 is: 133,744.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,478.36 : 222,420.86 = 89,281.64 : x
  2. Step 2: Convert to fraction form
    148,478.36/222,420.86 = 89,281.64/x
  3. Step 3: Cross multiply
    148,478.36x = 222,420.86 × 89,281.64
  4. Step 4: Simplify right side
    148,478.36x = 19,858,099,151.01
  5. Step 5: Solve for x
    x = 19,858,099,151.01/148,478.36
  6. Step 6: Final answer
    x = 133,744.06

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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.