Home / 254,829.20-382,289.70-104,987.60

Finding the Fourth Proportional to 254,829.20, 382,289.70 and 104,987.60

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Solution

The fourth proportional to 254,829.20, 382,289.70 and 104,987.60 is: 157,500.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,829.20 : 382,289.70 = 104,987.60 : x
  2. Step 2: Convert to fraction form
    254,829.20/382,289.70 = 104,987.60/x
  3. Step 3: Cross multiply
    254,829.20x = 382,289.70 × 104,987.60
  4. Step 4: Simplify right side
    254,829.20x = 40,135,678,107.72
  5. Step 5: Solve for x
    x = 40,135,678,107.72/254,829.20
  6. Step 6: Final answer
    x = 157,500.31

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1.5x scale

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.