Home / 166,756.34-230,122-90,273.72

Finding the Fourth Proportional to 166,756.34, 230,122 and 90,273.72

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Solution

The fourth proportional to 166,756.34, 230,122 and 90,273.72 is: 124,576.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,756.34 : 230,122 = 90,273.72 : x
  2. Step 2: Convert to fraction form
    166,756.34/230,122 = 90,273.72/x
  3. Step 3: Cross multiply
    166,756.34x = 230,122 × 90,273.72
  4. Step 4: Simplify right side
    166,756.34x = 20,773,968,993.84
  5. Step 5: Solve for x
    x = 20,773,968,993.84/166,756.34
  6. Step 6: Final answer
    x = 124,576.79

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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.