Home / 101,114.45-151,650.14-30,017.81

Finding the Fourth Proportional to 101,114.45, 151,650.14 and 30,017.81

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Solution

The fourth proportional to 101,114.45, 151,650.14 and 30,017.81 is: 45,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,114.45 : 151,650.14 = 30,017.81 : x
  2. Step 2: Convert to fraction form
    101,114.45/151,650.14 = 30,017.81/x
  3. Step 3: Cross multiply
    101,114.45x = 151,650.14 × 30,017.81
  4. Step 4: Simplify right side
    101,114.45x = 4,552,205,486.88
  5. Step 5: Solve for x
    x = 4,552,205,486.88/101,114.45
  6. Step 6: Final answer
    x = 45,020.33

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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.