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Finding the Fourth Proportional to 148,509.40, 222,764.10 and 95,978.20

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Solution

The fourth proportional to 148,509.40, 222,764.10 and 95,978.20 is: 143,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,509.40 : 222,764.10 = 95,978.20 : x
  2. Step 2: Convert to fraction form
    148,509.40/222,764.10 = 95,978.20/x
  3. Step 3: Cross multiply
    148,509.40x = 222,764.10 × 95,978.20
  4. Step 4: Simplify right side
    148,509.40x = 21,380,497,342.62
  5. Step 5: Solve for x
    x = 21,380,497,342.62/148,509.40
  6. Step 6: Final answer
    x = 143,967.30

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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.