Home / 100,950.10-151,282.28-55,991.26

Finding the Fourth Proportional to 100,950.10, 151,282.28 and 55,991.26

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Solution

The fourth proportional to 100,950.10, 151,282.28 and 55,991.26 is: 83,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,950.10 : 151,282.28 = 55,991.26 : x
  2. Step 2: Convert to fraction form
    100,950.10/151,282.28 = 55,991.26/x
  3. Step 3: Cross multiply
    100,950.10x = 151,282.28 × 55,991.26
  4. Step 4: Simplify right side
    100,950.10x = 8,470,485,472.87
  5. Step 5: Solve for x
    x = 8,470,485,472.87/100,950.10
  6. Step 6: Final answer
    x = 83,907.65

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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.