Home / 254,911.52-382,367.25-121,386.94

Finding the Fourth Proportional to 254,911.52, 382,367.25 and 121,386.94

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Solution

The fourth proportional to 254,911.52, 382,367.25 and 121,386.94 is: 182,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,911.52 : 382,367.25 = 121,386.94 : x
  2. Step 2: Convert to fraction form
    254,911.52/382,367.25 = 121,386.94/x
  3. Step 3: Cross multiply
    254,911.52x = 382,367.25 × 121,386.94
  4. Step 4: Simplify right side
    254,911.52x = 46,414,389,477.80
  5. Step 5: Solve for x
    x = 46,414,389,477.80/254,911.52
  6. Step 6: Final answer
    x = 182,080.39

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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.