Home / 188,578.23-260,237.96-103,695.30

Finding the Fourth Proportional to 188,578.23, 260,237.96 and 103,695.30

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Solution

The fourth proportional to 188,578.23, 260,237.96 and 103,695.30 is: 143,099.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,578.23 : 260,237.96 = 103,695.30 : x
  2. Step 2: Convert to fraction form
    188,578.23/260,237.96 = 103,695.30/x
  3. Step 3: Cross multiply
    188,578.23x = 260,237.96 × 103,695.30
  4. Step 4: Simplify right side
    188,578.23x = 26,985,452,032.40
  5. Step 5: Solve for x
    x = 26,985,452,032.40/188,578.23
  6. Step 6: Final answer
    x = 143,099.51

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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.