Home / 221,772.07-306,181.08-144,321.51

Finding the Fourth Proportional to 221,772.07, 306,181.08 and 144,321.51

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Solution

The fourth proportional to 221,772.07, 306,181.08 and 144,321.51 is: 199,251.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,772.07 : 306,181.08 = 144,321.51 : x
  2. Step 2: Convert to fraction form
    221,772.07/306,181.08 = 144,321.51/x
  3. Step 3: Cross multiply
    221,772.07x = 306,181.08 × 144,321.51
  4. Step 4: Simplify right side
    221,772.07x = 44,188,515,077.42
  5. Step 5: Solve for x
    x = 44,188,515,077.42/221,772.07
  6. Step 6: Final answer
    x = 199,251.94

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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.