Home / 151,727.16-209,383.34-84,659.16

Finding the Fourth Proportional to 151,727.16, 209,383.34 and 84,659.16

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Solution

The fourth proportional to 151,727.16, 209,383.34 and 84,659.16 is: 116,829.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,727.16 : 209,383.34 = 84,659.16 : x
  2. Step 2: Convert to fraction form
    151,727.16/209,383.34 = 84,659.16/x
  3. Step 3: Cross multiply
    151,727.16x = 209,383.34 × 84,659.16
  4. Step 4: Simplify right side
    151,727.16x = 17,726,217,682.39
  5. Step 5: Solve for x
    x = 17,726,217,682.39/151,727.16
  6. Step 6: Final answer
    x = 116,829.56

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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.