Home / 146,276.70-219,407.76-51,511.56

Finding the Fourth Proportional to 146,276.70, 219,407.76 and 51,511.56

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Solution

The fourth proportional to 146,276.70, 219,407.76 and 51,511.56 is: 77,264.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,276.70 : 219,407.76 = 51,511.56 : x
  2. Step 2: Convert to fraction form
    146,276.70/219,407.76 = 51,511.56/x
  3. Step 3: Cross multiply
    146,276.70x = 219,407.76 × 51,511.56
  4. Step 4: Simplify right side
    146,276.70x = 11,302,035,993.71
  5. Step 5: Solve for x
    x = 11,302,035,993.71/146,276.70
  6. Step 6: Final answer
    x = 77,264.77

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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.