Home / 215,710.24-297,652.96-120,204.76

Finding the Fourth Proportional to 215,710.24, 297,652.96 and 120,204.76

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Solution

The fourth proportional to 215,710.24, 297,652.96 and 120,204.76 is: 165,867.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,710.24 : 297,652.96 = 120,204.76 : x
  2. Step 2: Convert to fraction form
    215,710.24/297,652.96 = 120,204.76/x
  3. Step 3: Cross multiply
    215,710.24x = 297,652.96 × 120,204.76
  4. Step 4: Simplify right side
    215,710.24x = 35,779,302,620.09
  5. Step 5: Solve for x
    x = 35,779,302,620.09/215,710.24
  6. Step 6: Final answer
    x = 165,867.43

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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.