Home / 146,179.47-219,269.25-51,479.58

Finding the Fourth Proportional to 146,179.47, 219,269.25 and 51,479.58

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Solution

The fourth proportional to 146,179.47, 219,269.25 and 51,479.58 is: 77,219.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,179.47 : 219,269.25 = 51,479.58 : x
  2. Step 2: Convert to fraction form
    146,179.47/219,269.25 = 51,479.58/x
  3. Step 3: Cross multiply
    146,179.47x = 219,269.25 × 51,479.58
  4. Step 4: Simplify right side
    146,179.47x = 11,287,888,896.92
  5. Step 5: Solve for x
    x = 11,287,888,896.92/146,179.47
  6. Step 6: Final answer
    x = 77,219.39

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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.