Home / 215,982.96-298,058.16-120,474.24

Finding the Fourth Proportional to 215,982.96, 298,058.16 and 120,474.24

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Solution

The fourth proportional to 215,982.96, 298,058.16 and 120,474.24 is: 166,255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,982.96 : 298,058.16 = 120,474.24 : x
  2. Step 2: Convert to fraction form
    215,982.96/298,058.16 = 120,474.24/x
  3. Step 3: Cross multiply
    215,982.96x = 298,058.16 × 120,474.24
  4. Step 4: Simplify right side
    215,982.96x = 35,908,330,301.80
  5. Step 5: Solve for x
    x = 35,908,330,301.80/215,982.96
  6. Step 6: Final answer
    x = 166,255.39

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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.