Home / 146,278.70-219,410.76-51,513.56

Finding the Fourth Proportional to 146,278.70, 219,410.76 and 51,513.56

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Solution

The fourth proportional to 146,278.70, 219,410.76 and 51,513.56 is: 77,267.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,278.70 : 219,410.76 = 51,513.56 : x
  2. Step 2: Convert to fraction form
    146,278.70/219,410.76 = 51,513.56/x
  3. Step 3: Cross multiply
    146,278.70x = 219,410.76 × 51,513.56
  4. Step 4: Simplify right side
    146,278.70x = 11,302,629,349.91
  5. Step 5: Solve for x
    x = 11,302,629,349.91/146,278.70
  6. Step 6: Final answer
    x = 77,267.77

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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.