Home / 230,374.48-345,419.16-89,968

Finding the Fourth Proportional to 230,374.48, 345,419.16 and 89,968

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Solution

The fourth proportional to 230,374.48, 345,419.16 and 89,968 is: 134,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,374.48 : 345,419.16 = 89,968 : x
  2. Step 2: Convert to fraction form
    230,374.48/345,419.16 = 89,968/x
  3. Step 3: Cross multiply
    230,374.48x = 345,419.16 × 89,968
  4. Step 4: Simplify right side
    230,374.48x = 31,076,670,986.88
  5. Step 5: Solve for x
    x = 31,076,670,986.88/230,374.48
  6. Step 6: Final answer
    x = 134,896.33

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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.