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Finding the Fourth Proportional to 146,770.56, 219,970.56 and 80,071.68

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Solution

The fourth proportional to 146,770.56, 219,970.56 and 80,071.68 is: 120,006.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,770.56 : 219,970.56 = 80,071.68 : x
  2. Step 2: Convert to fraction form
    146,770.56/219,970.56 = 80,071.68/x
  3. Step 3: Cross multiply
    146,770.56x = 219,970.56 × 80,071.68
  4. Step 4: Simplify right side
    146,770.56x = 17,613,412,289.74
  5. Step 5: Solve for x
    x = 17,613,412,289.74/146,770.56
  6. Step 6: Final answer
    x = 120,006.44

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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.