Home / 110,170.35-164,999.22-107,139.87

Finding the Fourth Proportional to 110,170.35, 164,999.22 and 107,139.87

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Solution

The fourth proportional to 110,170.35, 164,999.22 and 107,139.87 is: 160,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,170.35 : 164,999.22 = 107,139.87 : x
  2. Step 2: Convert to fraction form
    110,170.35/164,999.22 = 107,139.87/x
  3. Step 3: Cross multiply
    110,170.35x = 164,999.22 × 107,139.87
  4. Step 4: Simplify right side
    110,170.35x = 17,677,994,980.90
  5. Step 5: Solve for x
    x = 17,677,994,980.90/110,170.35
  6. Step 6: Final answer
    x = 160,460.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.