Home / 246,921.36-340,750.29-138,025.67

Finding the Fourth Proportional to 246,921.36, 340,750.29 and 138,025.67

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Solution

The fourth proportional to 246,921.36, 340,750.29 and 138,025.67 is: 190,474.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,921.36 : 340,750.29 = 138,025.67 : x
  2. Step 2: Convert to fraction form
    246,921.36/340,750.29 = 138,025.67/x
  3. Step 3: Cross multiply
    246,921.36x = 340,750.29 × 138,025.67
  4. Step 4: Simplify right side
    246,921.36x = 47,032,286,136.41
  5. Step 5: Solve for x
    x = 47,032,286,136.41/246,921.36
  6. Step 6: Final answer
    x = 190,474.76

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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.