Home / 155,896.83-214,994.13-102,162.33

Finding the Fourth Proportional to 155,896.83, 214,994.13 and 102,162.33

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Solution

The fourth proportional to 155,896.83, 214,994.13 and 102,162.33 is: 140,889.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,896.83 : 214,994.13 = 102,162.33 : x
  2. Step 2: Convert to fraction form
    155,896.83/214,994.13 = 102,162.33/x
  3. Step 3: Cross multiply
    155,896.83x = 214,994.13 × 102,162.33
  4. Step 4: Simplify right side
    155,896.83x = 21,964,301,257.12
  5. Step 5: Solve for x
    x = 21,964,301,257.12/155,896.83
  6. Step 6: Final answer
    x = 140,889.98

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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.