Home / 146,149.24-201,682.07-81,616.69

Finding the Fourth Proportional to 146,149.24, 201,682.07 and 81,616.69

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Solution

The fourth proportional to 146,149.24, 201,682.07 and 81,616.69 is: 112,628.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,149.24 : 201,682.07 = 81,616.69 : x
  2. Step 2: Convert to fraction form
    146,149.24/201,682.07 = 81,616.69/x
  3. Step 3: Cross multiply
    146,149.24x = 201,682.07 × 81,616.69
  4. Step 4: Simplify right side
    146,149.24x = 16,460,622,985.75
  5. Step 5: Solve for x
    x = 16,460,622,985.75/146,149.24
  6. Step 6: Final answer
    x = 112,628.86

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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.