Home / 131,617.96-181,632.82-74,269.44

Finding the Fourth Proportional to 131,617.96, 181,632.82 and 74,269.44

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Solution

The fourth proportional to 131,617.96, 181,632.82 and 74,269.44 is: 102,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,617.96 : 181,632.82 = 74,269.44 : x
  2. Step 2: Convert to fraction form
    131,617.96/181,632.82 = 74,269.44/x
  3. Step 3: Cross multiply
    131,617.96x = 181,632.82 × 74,269.44
  4. Step 4: Simplify right side
    131,617.96x = 13,489,767,827.02
  5. Step 5: Solve for x
    x = 13,489,767,827.02/131,617.96
  6. Step 6: Final answer
    x = 102,491.85

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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.