Home / 215,652.32-297,596.24-120,156.96

Finding the Fourth Proportional to 215,652.32, 297,596.24 and 120,156.96

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Solution

The fourth proportional to 215,652.32, 297,596.24 and 120,156.96 is: 165,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,652.32 : 297,596.24 = 120,156.96 : x
  2. Step 2: Convert to fraction form
    215,652.32/297,596.24 = 120,156.96/x
  3. Step 3: Cross multiply
    215,652.32x = 297,596.24 × 120,156.96
  4. Step 4: Simplify right side
    215,652.32x = 35,758,259,505.83
  5. Step 5: Solve for x
    x = 35,758,259,505.83/215,652.32
  6. Step 6: Final answer
    x = 165,814.40

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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.