Home / 161,515.82-242,323.38-82,685.41

Finding the Fourth Proportional to 161,515.82, 242,323.38 and 82,685.41

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Solution

The fourth proportional to 161,515.82, 242,323.38 and 82,685.41 is: 124,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,515.82 : 242,323.38 = 82,685.41 : x
  2. Step 2: Convert to fraction form
    161,515.82/242,323.38 = 82,685.41/x
  3. Step 3: Cross multiply
    161,515.82x = 242,323.38 × 82,685.41
  4. Step 4: Simplify right side
    161,515.82x = 20,036,607,422.08
  5. Step 5: Solve for x
    x = 20,036,607,422.08/161,515.82
  6. Step 6: Final answer
    x = 124,053.53

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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.