Home / 145,991.32-218,968.06-46,161.56

Finding the Fourth Proportional to 145,991.32, 218,968.06 and 46,161.56

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Solution

The fourth proportional to 145,991.32, 218,968.06 and 46,161.56 is: 69,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,991.32 : 218,968.06 = 46,161.56 : x
  2. Step 2: Convert to fraction form
    145,991.32/218,968.06 = 46,161.56/x
  3. Step 3: Cross multiply
    145,991.32x = 218,968.06 × 46,161.56
  4. Step 4: Simplify right side
    145,991.32x = 10,107,907,239.77
  5. Step 5: Solve for x
    x = 10,107,907,239.77/145,991.32
  6. Step 6: Final answer
    x = 69,236.36

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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.