Home / 135,845.04-203,721.42-47,077.80

Finding the Fourth Proportional to 135,845.04, 203,721.42 and 47,077.80

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Solution

The fourth proportional to 135,845.04, 203,721.42 and 47,077.80 is: 70,600.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,845.04 : 203,721.42 = 47,077.80 : x
  2. Step 2: Convert to fraction form
    135,845.04/203,721.42 = 47,077.80/x
  3. Step 3: Cross multiply
    135,845.04x = 203,721.42 × 47,077.80
  4. Step 4: Simplify right side
    135,845.04x = 9,590,756,266.48
  5. Step 5: Solve for x
    x = 9,590,756,266.48/135,845.04
  6. Step 6: Final answer
    x = 70,600.71

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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.