Home / 155,968.44-234,056.40-84,909

Finding the Fourth Proportional to 155,968.44, 234,056.40 and 84,909

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Solution

The fourth proportional to 155,968.44, 234,056.40 and 84,909 is: 127,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,968.44 : 234,056.40 = 84,909 : x
  2. Step 2: Convert to fraction form
    155,968.44/234,056.40 = 84,909/x
  3. Step 3: Cross multiply
    155,968.44x = 234,056.40 × 84,909
  4. Step 4: Simplify right side
    155,968.44x = 19,873,494,867.60
  5. Step 5: Solve for x
    x = 19,873,494,867.60/155,968.44
  6. Step 6: Final answer
    x = 127,419.98

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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.