Home / 146,240.48-201,810.96-79,172

Finding the Fourth Proportional to 146,240.48, 201,810.96 and 79,172

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Solution

The fourth proportional to 146,240.48, 201,810.96 and 79,172 is: 109,256.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,240.48 : 201,810.96 = 79,172 : x
  2. Step 2: Convert to fraction form
    146,240.48/201,810.96 = 79,172/x
  3. Step 3: Cross multiply
    146,240.48x = 201,810.96 × 79,172
  4. Step 4: Simplify right side
    146,240.48x = 15,977,777,325.12
  5. Step 5: Solve for x
    x = 15,977,777,325.12/146,240.48
  6. Step 6: Final answer
    x = 109,256.87

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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.