Home / 135,783.27-203,626.31-47,012.94

Finding the Fourth Proportional to 135,783.27, 203,626.31 and 47,012.94

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Solution

The fourth proportional to 135,783.27, 203,626.31 and 47,012.94 is: 70,502.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,783.27 : 203,626.31 = 47,012.94 : x
  2. Step 2: Convert to fraction form
    135,783.27/203,626.31 = 47,012.94/x
  3. Step 3: Cross multiply
    135,783.27x = 203,626.31 × 47,012.94
  4. Step 4: Simplify right side
    135,783.27x = 9,573,071,259.39
  5. Step 5: Solve for x
    x = 9,573,071,259.39/135,783.27
  6. Step 6: Final answer
    x = 70,502.58

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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.