Home / 135,936.60-203,904.90-98,417.40

Finding the Fourth Proportional to 135,936.60, 203,904.90 and 98,417.40

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Solution

The fourth proportional to 135,936.60, 203,904.90 and 98,417.40 is: 147,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,936.60 : 203,904.90 = 98,417.40 : x
  2. Step 2: Convert to fraction form
    135,936.60/203,904.90 = 98,417.40/x
  3. Step 3: Cross multiply
    135,936.60x = 203,904.90 × 98,417.40
  4. Step 4: Simplify right side
    135,936.60x = 20,067,790,105.26
  5. Step 5: Solve for x
    x = 20,067,790,105.26/135,936.60
  6. Step 6: Final answer
    x = 147,626.10

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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.