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Finding the Fourth Proportional to 148,059.52, 222,108.74 and 77,942.68

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Solution

The fourth proportional to 148,059.52, 222,108.74 and 77,942.68 is: 116,924.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,059.52 : 222,108.74 = 77,942.68 : x
  2. Step 2: Convert to fraction form
    148,059.52/222,108.74 = 77,942.68/x
  3. Step 3: Cross multiply
    148,059.52x = 222,108.74 × 77,942.68
  4. Step 4: Simplify right side
    148,059.52x = 17,311,750,447.02
  5. Step 5: Solve for x
    x = 17,311,750,447.02/148,059.52
  6. Step 6: Final answer
    x = 116,924.26

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1.5x scale

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.