Home / 271,111.68-374,044.50-163,640.88

Finding the Fourth Proportional to 271,111.68, 374,044.50 and 163,640.88

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Solution

The fourth proportional to 271,111.68, 374,044.50 and 163,640.88 is: 225,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,111.68 : 374,044.50 = 163,640.88 : x
  2. Step 2: Convert to fraction form
    271,111.68/374,044.50 = 163,640.88/x
  3. Step 3: Cross multiply
    271,111.68x = 374,044.50 × 163,640.88
  4. Step 4: Simplify right side
    271,111.68x = 61,208,971,139.16
  5. Step 5: Solve for x
    x = 61,208,971,139.16/271,111.68
  6. Step 6: Final answer
    x = 225,770.32

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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.