Home / 215,834.67-297,840.92-120,322.89

Finding the Fourth Proportional to 215,834.67, 297,840.92 and 120,322.89

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Solution

The fourth proportional to 215,834.67, 297,840.92 and 120,322.89 is: 166,039.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,834.67 : 297,840.92 = 120,322.89 : x
  2. Step 2: Convert to fraction form
    215,834.67/297,840.92 = 120,322.89/x
  3. Step 3: Cross multiply
    215,834.67x = 297,840.92 × 120,322.89
  4. Step 4: Simplify right side
    215,834.67x = 35,837,079,653.04
  5. Step 5: Solve for x
    x = 35,837,079,653.04/215,834.67
  6. Step 6: Final answer
    x = 166,039.50

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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.