Home / 135,683.31-187,070.91-96,967.41

Finding the Fourth Proportional to 135,683.31, 187,070.91 and 96,967.41

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Solution

The fourth proportional to 135,683.31, 187,070.91 and 96,967.41 is: 133,692.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,683.31 : 187,070.91 = 96,967.41 : x
  2. Step 2: Convert to fraction form
    135,683.31/187,070.91 = 96,967.41/x
  3. Step 3: Cross multiply
    135,683.31x = 187,070.91 × 96,967.41
  4. Step 4: Simplify right side
    135,683.31x = 18,139,781,629.04
  5. Step 5: Solve for x
    x = 18,139,781,629.04/135,683.31
  6. Step 6: Final answer
    x = 133,692.06

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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.