Home / 215,724.72-297,701.60-120,237.56

Finding the Fourth Proportional to 215,724.72, 297,701.60 and 120,237.56

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Solution

The fourth proportional to 215,724.72, 297,701.60 and 120,237.56 is: 165,928.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,724.72 : 297,701.60 = 120,237.56 : x
  2. Step 2: Convert to fraction form
    215,724.72/297,701.60 = 120,237.56/x
  3. Step 3: Cross multiply
    215,724.72x = 297,701.60 × 120,237.56
  4. Step 4: Simplify right side
    215,724.72x = 35,794,913,992.10
  5. Step 5: Solve for x
    x = 35,794,913,992.10/215,724.72
  6. Step 6: Final answer
    x = 165,928.66

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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.