Home / 271,072.08-406,655.71-91,140.30

Finding the Fourth Proportional to 271,072.08, 406,655.71 and 91,140.30

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Solution

The fourth proportional to 271,072.08, 406,655.71 and 91,140.30 is: 136,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,072.08 : 406,655.71 = 91,140.30 : x
  2. Step 2: Convert to fraction form
    271,072.08/406,655.71 = 91,140.30/x
  3. Step 3: Cross multiply
    271,072.08x = 406,655.71 × 91,140.30
  4. Step 4: Simplify right side
    271,072.08x = 37,062,723,178.26
  5. Step 5: Solve for x
    x = 37,062,723,178.26/271,072.08
  6. Step 6: Final answer
    x = 136,726.45

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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.