Home / 215,523.42-297,410.64-118,708.44

Finding the Fourth Proportional to 215,523.42, 297,410.64 and 118,708.44

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Solution

The fourth proportional to 215,523.42, 297,410.64 and 118,708.44 is: 163,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,523.42 : 297,410.64 = 118,708.44 : x
  2. Step 2: Convert to fraction form
    215,523.42/297,410.64 = 118,708.44/x
  3. Step 3: Cross multiply
    215,523.42x = 297,410.64 × 118,708.44
  4. Step 4: Simplify right side
    215,523.42x = 35,305,153,113.80
  5. Step 5: Solve for x
    x = 35,305,153,113.80/215,523.42
  6. Step 6: Final answer
    x = 163,811.21

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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.