Home / 131,841.21-181,890.66-97,468.47

Finding the Fourth Proportional to 131,841.21, 181,890.66 and 97,468.47

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Solution

The fourth proportional to 131,841.21, 181,890.66 and 97,468.47 is: 134,469.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,841.21 : 181,890.66 = 97,468.47 : x
  2. Step 2: Convert to fraction form
    131,841.21/181,890.66 = 97,468.47/x
  3. Step 3: Cross multiply
    131,841.21x = 181,890.66 × 97,468.47
  4. Step 4: Simplify right side
    131,841.21x = 17,728,604,337.49
  5. Step 5: Solve for x
    x = 17,728,604,337.49/131,841.21
  6. Step 6: Final answer
    x = 134,469.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.