Home / 271,926.57-407,847.74-138,905.13

Finding the Fourth Proportional to 271,926.57, 407,847.74 and 138,905.13

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Solution

The fourth proportional to 271,926.57, 407,847.74 and 138,905.13 is: 208,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,926.57 : 407,847.74 = 138,905.13 : x
  2. Step 2: Convert to fraction form
    271,926.57/407,847.74 = 138,905.13/x
  3. Step 3: Cross multiply
    271,926.57x = 407,847.74 × 138,905.13
  4. Step 4: Simplify right side
    271,926.57x = 56,652,142,650.38
  5. Step 5: Solve for x
    x = 56,652,142,650.38/271,926.57
  6. Step 6: Final answer
    x = 208,336.18

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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.