Home / 215,764.49-297,748.79-120,269.13

Finding the Fourth Proportional to 215,764.49, 297,748.79 and 120,269.13

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Solution

The fourth proportional to 215,764.49, 297,748.79 and 120,269.13 is: 165,967.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,764.49 : 297,748.79 = 120,269.13 : x
  2. Step 2: Convert to fraction form
    215,764.49/297,748.79 = 120,269.13/x
  3. Step 3: Cross multiply
    215,764.49x = 297,748.79 × 120,269.13
  4. Step 4: Simplify right side
    215,764.49x = 35,809,987,931.85
  5. Step 5: Solve for x
    x = 35,809,987,931.85/215,764.49
  6. Step 6: Final answer
    x = 165,967.94

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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.