Home / 172,683.63-259,173.06-67,576.41

Finding the Fourth Proportional to 172,683.63, 259,173.06 and 67,576.41

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Solution

The fourth proportional to 172,683.63, 259,173.06 and 67,576.41 is: 101,422.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,683.63 : 259,173.06 = 67,576.41 : x
  2. Step 2: Convert to fraction form
    172,683.63/259,173.06 = 67,576.41/x
  3. Step 3: Cross multiply
    172,683.63x = 259,173.06 × 67,576.41
  4. Step 4: Simplify right side
    172,683.63x = 17,513,984,963.51
  5. Step 5: Solve for x
    x = 17,513,984,963.51/172,683.63
  6. Step 6: Final answer
    x = 101,422.38

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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.