Home / 131,839.21-181,887.90-97,466.47

Finding the Fourth Proportional to 131,839.21, 181,887.90 and 97,466.47

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Solution

The fourth proportional to 131,839.21, 181,887.90 and 97,466.47 is: 134,466.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,839.21 : 181,887.90 = 97,466.47 : x
  2. Step 2: Convert to fraction form
    131,839.21/181,887.90 = 97,466.47/x
  3. Step 3: Cross multiply
    131,839.21x = 181,887.90 × 97,466.47
  4. Step 4: Simplify right side
    131,839.21x = 17,727,970,639.27
  5. Step 5: Solve for x
    x = 17,727,970,639.27/131,839.21
  6. Step 6: Final answer
    x = 134,466.61

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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.