Home / 146,718.56-220,070.58-85,963.25

Finding the Fourth Proportional to 146,718.56, 220,070.58 and 85,963.25

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Solution

The fourth proportional to 146,718.56, 220,070.58 and 85,963.25 is: 128,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,718.56 : 220,070.58 = 85,963.25 : x
  2. Step 2: Convert to fraction form
    146,718.56/220,070.58 = 85,963.25/x
  3. Step 3: Cross multiply
    146,718.56x = 220,070.58 × 85,963.25
  4. Step 4: Simplify right side
    146,718.56x = 18,917,981,185.83
  5. Step 5: Solve for x
    x = 18,917,981,185.83/146,718.56
  6. Step 6: Final answer
    x = 128,940.62

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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.