Home / 146,191.70-219,343.68-51,431.76

Finding the Fourth Proportional to 146,191.70, 219,343.68 and 51,431.76

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Solution

The fourth proportional to 146,191.70, 219,343.68 and 51,431.76 is: 77,167.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,191.70 : 219,343.68 = 51,431.76 : x
  2. Step 2: Convert to fraction form
    146,191.70/219,343.68 = 51,431.76/x
  3. Step 3: Cross multiply
    146,191.70x = 219,343.68 × 51,431.76
  4. Step 4: Simplify right side
    146,191.70x = 11,281,231,507.28
  5. Step 5: Solve for x
    x = 11,281,231,507.28/146,191.70
  6. Step 6: Final answer
    x = 77,167.39

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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.