Home / 221,093.16-305,116.74-125,616.04

Finding the Fourth Proportional to 221,093.16, 305,116.74 and 125,616.04

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Solution

The fourth proportional to 221,093.16, 305,116.74 and 125,616.04 is: 173,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,093.16 : 305,116.74 = 125,616.04 : x
  2. Step 2: Convert to fraction form
    221,093.16/305,116.74 = 125,616.04/x
  3. Step 3: Cross multiply
    221,093.16x = 305,116.74 × 125,616.04
  4. Step 4: Simplify right side
    221,093.16x = 38,327,556,616.51
  5. Step 5: Solve for x
    x = 38,327,556,616.51/221,093.16
  6. Step 6: Final answer
    x = 173,354.78

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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.