Home / 218,455.32-301,469.04-122,963.52

Finding the Fourth Proportional to 218,455.32, 301,469.04 and 122,963.52

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Solution

The fourth proportional to 218,455.32, 301,469.04 and 122,963.52 is: 169,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,455.32 : 301,469.04 = 122,963.52 : x
  2. Step 2: Convert to fraction form
    218,455.32/301,469.04 = 122,963.52/x
  3. Step 3: Cross multiply
    218,455.32x = 301,469.04 × 122,963.52
  4. Step 4: Simplify right side
    218,455.32x = 37,069,694,329.42
  5. Step 5: Solve for x
    x = 37,069,694,329.42/218,455.32
  6. Step 6: Final answer
    x = 169,690.05

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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.