Home / 135,982.40-203,973.60-133,066.40

Finding the Fourth Proportional to 135,982.40, 203,973.60 and 133,066.40

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Solution

The fourth proportional to 135,982.40, 203,973.60 and 133,066.40 is: 199,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,982.40 : 203,973.60 = 133,066.40 : x
  2. Step 2: Convert to fraction form
    135,982.40/203,973.60 = 133,066.40/x
  3. Step 3: Cross multiply
    135,982.40x = 203,973.60 × 133,066.40
  4. Step 4: Simplify right side
    135,982.40x = 27,142,032,647.04
  5. Step 5: Solve for x
    x = 27,142,032,647.04/135,982.40
  6. Step 6: Final answer
    x = 199,599.60

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1.5x scale

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.