Home / 215,539.48-297,453.70-120,046.20

Finding the Fourth Proportional to 215,539.48, 297,453.70 and 120,046.20

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Solution

The fourth proportional to 215,539.48, 297,453.70 and 120,046.20 is: 165,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,539.48 : 297,453.70 = 120,046.20 : x
  2. Step 2: Convert to fraction form
    215,539.48/297,453.70 = 120,046.20/x
  3. Step 3: Cross multiply
    215,539.48x = 297,453.70 × 120,046.20
  4. Step 4: Simplify right side
    215,539.48x = 35,708,186,360.94
  5. Step 5: Solve for x
    x = 35,708,186,360.94/215,539.48
  6. Step 6: Final answer
    x = 165,668.89

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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.