Home / 215,541.42-297,435.87-120,046.38

Finding the Fourth Proportional to 215,541.42, 297,435.87 and 120,046.38

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Solution

The fourth proportional to 215,541.42, 297,435.87 and 120,046.38 is: 165,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,541.42 : 297,435.87 = 120,046.38 : x
  2. Step 2: Convert to fraction form
    215,541.42/297,435.87 = 120,046.38/x
  3. Step 3: Cross multiply
    215,541.42x = 297,435.87 × 120,046.38
  4. Step 4: Simplify right side
    215,541.42x = 35,706,099,475.65
  5. Step 5: Solve for x
    x = 35,706,099,475.65/215,541.42
  6. Step 6: Final answer
    x = 165,657.72

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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.