Home / 271,840.19-375,111.97-158,728.55

Finding the Fourth Proportional to 271,840.19, 375,111.97 and 158,728.55

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Solution

The fourth proportional to 271,840.19, 375,111.97 and 158,728.55 is: 219,029.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,840.19 : 375,111.97 = 158,728.55 : x
  2. Step 2: Convert to fraction form
    271,840.19/375,111.97 = 158,728.55/x
  3. Step 3: Cross multiply
    271,840.19x = 375,111.97 × 158,728.55
  4. Step 4: Simplify right side
    271,840.19x = 59,540,976,813.36
  5. Step 5: Solve for x
    x = 59,540,976,813.36/271,840.19
  6. Step 6: Final answer
    x = 219,029.34

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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.