Home / 217,835.04-300,611.39-121,054.67

Finding the Fourth Proportional to 217,835.04, 300,611.39 and 121,054.67

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Solution

The fourth proportional to 217,835.04, 300,611.39 and 121,054.67 is: 167,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,835.04 : 300,611.39 = 121,054.67 : x
  2. Step 2: Convert to fraction form
    217,835.04/300,611.39 = 121,054.67/x
  3. Step 3: Cross multiply
    217,835.04x = 300,611.39 × 121,054.67
  4. Step 4: Simplify right side
    217,835.04x = 36,390,410,506.36
  5. Step 5: Solve for x
    x = 36,390,410,506.36/217,835.04
  6. Step 6: Final answer
    x = 167,054.90

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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.