Home / 215,536.32-297,449.36-120,043.04

Finding the Fourth Proportional to 215,536.32, 297,449.36 and 120,043.04

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Solution

The fourth proportional to 215,536.32, 297,449.36 and 120,043.04 is: 165,664.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,536.32 : 297,449.36 = 120,043.04 : x
  2. Step 2: Convert to fraction form
    215,536.32/297,449.36 = 120,043.04/x
  3. Step 3: Cross multiply
    215,536.32x = 297,449.36 × 120,043.04
  4. Step 4: Simplify right side
    215,536.32x = 35,706,725,420.45
  5. Step 5: Solve for x
    x = 35,706,725,420.45/215,536.32
  6. Step 6: Final answer
    x = 165,664.54

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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.