Home / 135,077.80-202,349.40-118,456.60

Finding the Fourth Proportional to 135,077.80, 202,349.40 and 118,456.60

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Solution

The fourth proportional to 135,077.80, 202,349.40 and 118,456.60 is: 177,450.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,077.80 : 202,349.40 = 118,456.60 : x
  2. Step 2: Convert to fraction form
    135,077.80/202,349.40 = 118,456.60/x
  3. Step 3: Cross multiply
    135,077.80x = 202,349.40 × 118,456.60
  4. Step 4: Simplify right side
    135,077.80x = 23,969,621,936.04
  5. Step 5: Solve for x
    x = 23,969,621,936.04/135,077.80
  6. Step 6: Final answer
    x = 177,450.49

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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.