Home / 146,044.75-201,541.77-78,976.75

Finding the Fourth Proportional to 146,044.75, 201,541.77 and 78,976.75

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Solution

The fourth proportional to 146,044.75, 201,541.77 and 78,976.75 is: 108,987.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,044.75 : 201,541.77 = 78,976.75 : x
  2. Step 2: Convert to fraction form
    146,044.75/201,541.77 = 78,976.75/x
  3. Step 3: Cross multiply
    146,044.75x = 201,541.77 × 78,976.75
  4. Step 4: Simplify right side
    146,044.75x = 15,917,113,983.85
  5. Step 5: Solve for x
    x = 15,917,113,983.85/146,044.75
  6. Step 6: Final answer
    x = 108,987.92

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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.