Home / 188,064.48-259,529.22-103,181.88

Finding the Fourth Proportional to 188,064.48, 259,529.22 and 103,181.88

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Solution

The fourth proportional to 188,064.48, 259,529.22 and 103,181.88 is: 142,391.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,064.48 : 259,529.22 = 103,181.88 : x
  2. Step 2: Convert to fraction form
    188,064.48/259,529.22 = 103,181.88/x
  3. Step 3: Cross multiply
    188,064.48x = 259,529.22 × 103,181.88
  4. Step 4: Simplify right side
    188,064.48x = 26,778,712,834.53
  5. Step 5: Solve for x
    x = 26,778,712,834.53/188,064.48
  6. Step 6: Final answer
    x = 142,391.12

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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.