Home / 215,865.07-297,895.74-119,072.65

Finding the Fourth Proportional to 215,865.07, 297,895.74 and 119,072.65

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Solution

The fourth proportional to 215,865.07, 297,895.74 and 119,072.65 is: 164,321.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,865.07 : 297,895.74 = 119,072.65 : x
  2. Step 2: Convert to fraction form
    215,865.07/297,895.74 = 119,072.65/x
  3. Step 3: Cross multiply
    215,865.07x = 297,895.74 × 119,072.65
  4. Step 4: Simplify right side
    215,865.07x = 35,471,235,185.51
  5. Step 5: Solve for x
    x = 35,471,235,185.51/215,865.07
  6. Step 6: Final answer
    x = 164,321.33

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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.