Home / 168,997.90-253,496.16-42,638.44

Finding the Fourth Proportional to 168,997.90, 253,496.16 and 42,638.44

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Solution

The fourth proportional to 168,997.90, 253,496.16 and 42,638.44 is: 63,957.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,997.90 : 253,496.16 = 42,638.44 : x
  2. Step 2: Convert to fraction form
    168,997.90/253,496.16 = 42,638.44/x
  3. Step 3: Cross multiply
    168,997.90x = 253,496.16 × 42,638.44
  4. Step 4: Simplify right side
    168,997.90x = 10,808,680,808.39
  5. Step 5: Solve for x
    x = 10,808,680,808.39/168,997.90
  6. Step 6: Final answer
    x = 63,957.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.