Home / 146,013.12-201,496.08-82,371.36

Finding the Fourth Proportional to 146,013.12, 201,496.08 and 82,371.36

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Solution

The fourth proportional to 146,013.12, 201,496.08 and 82,371.36 is: 113,671.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,013.12 : 201,496.08 = 82,371.36 : x
  2. Step 2: Convert to fraction form
    146,013.12/201,496.08 = 82,371.36/x
  3. Step 3: Cross multiply
    146,013.12x = 201,496.08 × 82,371.36
  4. Step 4: Simplify right side
    146,013.12x = 16,597,506,144.27
  5. Step 5: Solve for x
    x = 16,597,506,144.27/146,013.12
  6. Step 6: Final answer
    x = 113,671.33

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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.