Home / 104,515.02-156,739.41-34,378.02

Finding the Fourth Proportional to 104,515.02, 156,739.41 and 34,378.02

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Solution

The fourth proportional to 104,515.02, 156,739.41 and 34,378.02 is: 51,556.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,515.02 : 156,739.41 = 34,378.02 : x
  2. Step 2: Convert to fraction form
    104,515.02/156,739.41 = 34,378.02/x
  3. Step 3: Cross multiply
    104,515.02x = 156,739.41 × 34,378.02
  4. Step 4: Simplify right side
    104,515.02x = 5,388,390,571.77
  5. Step 5: Solve for x
    x = 5,388,390,571.77/104,515.02
  6. Step 6: Final answer
    x = 51,556.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.