Home / 215,498.04-297,375.84-123,612.59

Finding the Fourth Proportional to 215,498.04, 297,375.84 and 123,612.59

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Solution

The fourth proportional to 215,498.04, 297,375.84 and 123,612.59 is: 170,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,498.04 : 297,375.84 = 123,612.59 : x
  2. Step 2: Convert to fraction form
    215,498.04/297,375.84 = 123,612.59/x
  3. Step 3: Cross multiply
    215,498.04x = 297,375.84 × 123,612.59
  4. Step 4: Simplify right side
    215,498.04x = 36,759,396,298.95
  5. Step 5: Solve for x
    x = 36,759,396,298.95/215,498.04
  6. Step 6: Final answer
    x = 170,578.80

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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.