Home / 180,131.91-248,582.27-103,649.48

Finding the Fourth Proportional to 180,131.91, 248,582.27 and 103,649.48

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Solution

The fourth proportional to 180,131.91, 248,582.27 and 103,649.48 is: 143,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,131.91 : 248,582.27 = 103,649.48 : x
  2. Step 2: Convert to fraction form
    180,131.91/248,582.27 = 103,649.48/x
  3. Step 3: Cross multiply
    180,131.91x = 248,582.27 × 103,649.48
  4. Step 4: Simplify right side
    180,131.91x = 25,765,422,971.12
  5. Step 5: Solve for x
    x = 25,765,422,971.12/180,131.91
  6. Step 6: Final answer
    x = 143,036.42

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1.5x scale

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.