Home / 217,764.75-300,541.95-137,190.93

Finding the Fourth Proportional to 217,764.75, 300,541.95 and 137,190.93

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Solution

The fourth proportional to 217,764.75, 300,541.95 and 137,190.93 is: 189,340.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,764.75 : 300,541.95 = 137,190.93 : x
  2. Step 2: Convert to fraction form
    217,764.75/300,541.95 = 137,190.93/x
  3. Step 3: Cross multiply
    217,764.75x = 300,541.95 × 137,190.93
  4. Step 4: Simplify right side
    217,764.75x = 41,231,629,624.51
  5. Step 5: Solve for x
    x = 41,231,629,624.51/217,764.75
  6. Step 6: Final answer
    x = 189,340.24

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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.