Home / 146,381.76-202,004.18-82,718.20

Finding the Fourth Proportional to 146,381.76, 202,004.18 and 82,718.20

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Solution

The fourth proportional to 146,381.76, 202,004.18 and 82,718.20 is: 114,149.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,381.76 : 202,004.18 = 82,718.20 : x
  2. Step 2: Convert to fraction form
    146,381.76/202,004.18 = 82,718.20/x
  3. Step 3: Cross multiply
    146,381.76x = 202,004.18 × 82,718.20
  4. Step 4: Simplify right side
    146,381.76x = 16,709,422,162.08
  5. Step 5: Solve for x
    x = 16,709,422,162.08/146,381.76
  6. Step 6: Final answer
    x = 114,149.62

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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.