Home / 146,044.32-201,541.19-78,976.32

Finding the Fourth Proportional to 146,044.32, 201,541.19 and 78,976.32

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Solution

The fourth proportional to 146,044.32, 201,541.19 and 78,976.32 is: 108,987.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,044.32 : 201,541.19 = 78,976.32 : x
  2. Step 2: Convert to fraction form
    146,044.32/201,541.19 = 78,976.32/x
  3. Step 3: Cross multiply
    146,044.32x = 201,541.19 × 78,976.32
  4. Step 4: Simplify right side
    146,044.32x = 15,916,981,119.74
  5. Step 5: Solve for x
    x = 15,916,981,119.74/146,044.32
  6. Step 6: Final answer
    x = 108,987.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.