Home / 215,776.41-297,771.44-120,289.25

Finding the Fourth Proportional to 215,776.41, 297,771.44 and 120,289.25

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Solution

The fourth proportional to 215,776.41, 297,771.44 and 120,289.25 is: 165,999.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,776.41 : 297,771.44 = 120,289.25 : x
  2. Step 2: Convert to fraction form
    215,776.41/297,771.44 = 120,289.25/x
  3. Step 3: Cross multiply
    215,776.41x = 297,771.44 × 120,289.25
  4. Step 4: Simplify right side
    215,776.41x = 35,818,704,008.63
  5. Step 5: Solve for x
    x = 35,818,704,008.63/215,776.41
  6. Step 6: Final answer
    x = 165,999.17

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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.