Home / 213,087.53-294,171.35-155,662.37

Finding the Fourth Proportional to 213,087.53, 294,171.35 and 155,662.37

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Solution

The fourth proportional to 213,087.53, 294,171.35 and 155,662.37 is: 214,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,087.53 : 294,171.35 = 155,662.37 : x
  2. Step 2: Convert to fraction form
    213,087.53/294,171.35 = 155,662.37/x
  3. Step 3: Cross multiply
    213,087.53x = 294,171.35 × 155,662.37
  4. Step 4: Simplify right side
    213,087.53x = 45,791,408,791.67
  5. Step 5: Solve for x
    x = 45,791,408,791.67/213,087.53
  6. Step 6: Final answer
    x = 214,894.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.