Home / 146,012.91-201,497.43-81,481.46

Finding the Fourth Proportional to 146,012.91, 201,497.43 and 81,481.46

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Solution

The fourth proportional to 146,012.91, 201,497.43 and 81,481.46 is: 112,444.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,012.91 : 201,497.43 = 81,481.46 : x
  2. Step 2: Convert to fraction form
    146,012.91/201,497.43 = 81,481.46/x
  3. Step 3: Cross multiply
    146,012.91x = 201,497.43 × 81,481.46
  4. Step 4: Simplify right side
    146,012.91x = 16,418,303,775.16
  5. Step 5: Solve for x
    x = 16,418,303,775.16/146,012.91
  6. Step 6: Final answer
    x = 112,444.19

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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.