Home / 156,003.24-215,283.66-84,383.04

Finding the Fourth Proportional to 156,003.24, 215,283.66 and 84,383.04

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Solution

The fourth proportional to 156,003.24, 215,283.66 and 84,383.04 is: 116,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,003.24 : 215,283.66 = 84,383.04 : x
  2. Step 2: Convert to fraction form
    156,003.24/215,283.66 = 84,383.04/x
  3. Step 3: Cross multiply
    156,003.24x = 215,283.66 × 84,383.04
  4. Step 4: Simplify right side
    156,003.24x = 18,166,289,693.13
  5. Step 5: Solve for x
    x = 18,166,289,693.13/156,003.24
  6. Step 6: Final answer
    x = 116,448.16

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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.