Home / 271,289.03-406,984.57-109,195.47

Finding the Fourth Proportional to 271,289.03, 406,984.57 and 109,195.47

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Solution

The fourth proportional to 271,289.03, 406,984.57 and 109,195.47 is: 163,813.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,289.03 : 406,984.57 = 109,195.47 : x
  2. Step 2: Convert to fraction form
    271,289.03/406,984.57 = 109,195.47/x
  3. Step 3: Cross multiply
    271,289.03x = 406,984.57 × 109,195.47
  4. Step 4: Simplify right side
    271,289.03x = 44,440,871,130.91
  5. Step 5: Solve for x
    x = 44,440,871,130.91/271,289.03
  6. Step 6: Final answer
    x = 163,813.74

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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.