Home / 230,141.75-345,224.93-72,382.51

Finding the Fourth Proportional to 230,141.75, 345,224.93 and 72,382.51

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Solution

The fourth proportional to 230,141.75, 345,224.93 and 72,382.51 is: 108,577.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,141.75 : 345,224.93 = 72,382.51 : x
  2. Step 2: Convert to fraction form
    230,141.75/345,224.93 = 72,382.51/x
  3. Step 3: Cross multiply
    230,141.75x = 345,224.93 × 72,382.51
  4. Step 4: Simplify right side
    230,141.75x = 24,988,245,040.89
  5. Step 5: Solve for x
    x = 24,988,245,040.89/230,141.75
  6. Step 6: Final answer
    x = 108,577.63

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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.