Home / 126,864.08-190,383.48-43,758

Finding the Fourth Proportional to 126,864.08, 190,383.48 and 43,758

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Solution

The fourth proportional to 126,864.08, 190,383.48 and 43,758 is: 65,667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,864.08 : 190,383.48 = 43,758 : x
  2. Step 2: Convert to fraction form
    126,864.08/190,383.48 = 43,758/x
  3. Step 3: Cross multiply
    126,864.08x = 190,383.48 × 43,758
  4. Step 4: Simplify right side
    126,864.08x = 8,330,800,317.84
  5. Step 5: Solve for x
    x = 8,330,800,317.84/126,864.08
  6. Step 6: Final answer
    x = 65,667.13

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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.