Home / 85,297.08-127,945.62-82,964.28

Finding the Fourth Proportional to 85,297.08, 127,945.62 and 82,964.28

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Solution

The fourth proportional to 85,297.08, 127,945.62 and 82,964.28 is: 124,446.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,297.08 : 127,945.62 = 82,964.28 : x
  2. Step 2: Convert to fraction form
    85,297.08/127,945.62 = 82,964.28/x
  3. Step 3: Cross multiply
    85,297.08x = 127,945.62 × 82,964.28
  4. Step 4: Simplify right side
    85,297.08x = 10,614,916,242.45
  5. Step 5: Solve for x
    x = 10,614,916,242.45/85,297.08
  6. Step 6: Final answer
    x = 124,446.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.