Home / 188,582.13-260,232.48-103,699.26

Finding the Fourth Proportional to 188,582.13, 260,232.48 and 103,699.26

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Solution

The fourth proportional to 188,582.13, 260,232.48 and 103,699.26 is: 143,099.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,582.13 : 260,232.48 = 103,699.26 : x
  2. Step 2: Convert to fraction form
    188,582.13/260,232.48 = 103,699.26/x
  3. Step 3: Cross multiply
    188,582.13x = 260,232.48 × 103,699.26
  4. Step 4: Simplify right side
    188,582.13x = 26,985,915,603.96
  5. Step 5: Solve for x
    x = 26,985,915,603.96/188,582.13
  6. Step 6: Final answer
    x = 143,099.01

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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.