Home / 230,009.09-345,161.23-111,615.84

Finding the Fourth Proportional to 230,009.09, 345,161.23 and 111,615.84

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Solution

The fourth proportional to 230,009.09, 345,161.23 and 111,615.84 is: 167,495.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,009.09 : 345,161.23 = 111,615.84 : x
  2. Step 2: Convert to fraction form
    230,009.09/345,161.23 = 111,615.84/x
  3. Step 3: Cross multiply
    230,009.09x = 345,161.23 × 111,615.84
  4. Step 4: Simplify right side
    230,009.09x = 38,525,460,342.84
  5. Step 5: Solve for x
    x = 38,525,460,342.84/230,009.09
  6. Step 6: Final answer
    x = 167,495.39

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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.