Home / 215,842.14-297,863.88-120,355.26

Finding the Fourth Proportional to 215,842.14, 297,863.88 and 120,355.26

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Solution

The fourth proportional to 215,842.14, 297,863.88 and 120,355.26 is: 166,091.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,842.14 : 297,863.88 = 120,355.26 : x
  2. Step 2: Convert to fraction form
    215,842.14/297,863.88 = 120,355.26/x
  3. Step 3: Cross multiply
    215,842.14x = 297,863.88 × 120,355.26
  4. Step 4: Simplify right side
    215,842.14x = 35,849,484,722.01
  5. Step 5: Solve for x
    x = 35,849,484,722.01/215,842.14
  6. Step 6: Final answer
    x = 166,091.22

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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.