Home / 146,375.94-202,002.75-82,712.28

Finding the Fourth Proportional to 146,375.94, 202,002.75 and 82,712.28

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Solution

The fourth proportional to 146,375.94, 202,002.75 and 82,712.28 is: 114,145.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,375.94 : 202,002.75 = 82,712.28 : x
  2. Step 2: Convert to fraction form
    146,375.94/202,002.75 = 82,712.28/x
  3. Step 3: Cross multiply
    146,375.94x = 202,002.75 × 82,712.28
  4. Step 4: Simplify right side
    146,375.94x = 16,708,108,018.77
  5. Step 5: Solve for x
    x = 16,708,108,018.77/146,375.94
  6. Step 6: Final answer
    x = 114,145.18

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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.