Home / 146,012.29-201,496.58-81,480.85

Finding the Fourth Proportional to 146,012.29, 201,496.58 and 81,480.85

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Solution

The fourth proportional to 146,012.29, 201,496.58 and 81,480.85 is: 112,443.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,012.29 : 201,496.58 = 81,480.85 : x
  2. Step 2: Convert to fraction form
    146,012.29/201,496.58 = 81,480.85/x
  3. Step 3: Cross multiply
    146,012.29x = 201,496.58 × 81,480.85
  4. Step 4: Simplify right side
    146,012.29x = 16,418,112,610.49
  5. Step 5: Solve for x
    x = 16,418,112,610.49/146,012.29
  6. Step 6: Final answer
    x = 112,443.36

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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.