Home / 271,143.08-406,712.57-81,602.63

Finding the Fourth Proportional to 271,143.08, 406,712.57 and 81,602.63

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Solution

The fourth proportional to 271,143.08, 406,712.57 and 81,602.63 is: 122,403.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,143.08 : 406,712.57 = 81,602.63 : x
  2. Step 2: Convert to fraction form
    271,143.08/406,712.57 = 81,602.63/x
  3. Step 3: Cross multiply
    271,143.08x = 406,712.57 × 81,602.63
  4. Step 4: Simplify right side
    271,143.08x = 33,188,812,924.48
  5. Step 5: Solve for x
    x = 33,188,812,924.48/271,143.08
  6. Step 6: Final answer
    x = 122,403.32

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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.