Home / 103,160.90-142,329.66-57,832.29

Finding the Fourth Proportional to 103,160.90, 142,329.66 and 57,832.29

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Solution

The fourth proportional to 103,160.90, 142,329.66 and 57,832.29 is: 79,790.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,160.90 : 142,329.66 = 57,832.29 : x
  2. Step 2: Convert to fraction form
    103,160.90/142,329.66 = 57,832.29/x
  3. Step 3: Cross multiply
    103,160.90x = 142,329.66 × 57,832.29
  4. Step 4: Simplify right side
    103,160.90x = 8,231,250,172.72
  5. Step 5: Solve for x
    x = 8,231,250,172.72/103,160.90
  6. Step 6: Final answer
    x = 79,790.41

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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.