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Finding the Fourth Proportional to 148,002.71, 222,059.61 and 88,880.81

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Solution

The fourth proportional to 148,002.71, 222,059.61 and 88,880.81 is: 133,354.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,002.71 : 222,059.61 = 88,880.81 : x
  2. Step 2: Convert to fraction form
    148,002.71/222,059.61 = 88,880.81/x
  3. Step 3: Cross multiply
    148,002.71x = 222,059.61 × 88,880.81
  4. Step 4: Simplify right side
    148,002.71x = 19,736,836,894.79
  5. Step 5: Solve for x
    x = 19,736,836,894.79/148,002.71
  6. Step 6: Final answer
    x = 133,354.57

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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.