Home / 215,739.48-297,721.86-120,252.22

Finding the Fourth Proportional to 215,739.48, 297,721.86 and 120,252.22

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Solution

The fourth proportional to 215,739.48, 297,721.86 and 120,252.22 is: 165,948.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,739.48 : 297,721.86 = 120,252.22 : x
  2. Step 2: Convert to fraction form
    215,739.48/297,721.86 = 120,252.22/x
  3. Step 3: Cross multiply
    215,739.48x = 297,721.86 × 120,252.22
  4. Step 4: Simplify right side
    215,739.48x = 35,801,714,607.53
  5. Step 5: Solve for x
    x = 35,801,714,607.53/215,739.48
  6. Step 6: Final answer
    x = 165,948.83

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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.