Home / 217,825.03-300,563.26-136,143.66

Finding the Fourth Proportional to 217,825.03, 300,563.26 and 136,143.66

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Solution

The fourth proportional to 217,825.03, 300,563.26 and 136,143.66 is: 187,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,825.03 : 300,563.26 = 136,143.66 : x
  2. Step 2: Convert to fraction form
    217,825.03/300,563.26 = 136,143.66/x
  3. Step 3: Cross multiply
    217,825.03x = 300,563.26 × 136,143.66
  4. Step 4: Simplify right side
    217,825.03x = 40,919,782,277.93
  5. Step 5: Solve for x
    x = 40,919,782,277.93/217,825.03
  6. Step 6: Final answer
    x = 187,856.20

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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.