Home / 144,736.12-199,732.26-81,073.48

Finding the Fourth Proportional to 144,736.12, 199,732.26 and 81,073.48

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Solution

The fourth proportional to 144,736.12, 199,732.26 and 81,073.48 is: 111,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,736.12 : 199,732.26 = 81,073.48 : x
  2. Step 2: Convert to fraction form
    144,736.12/199,732.26 = 81,073.48/x
  3. Step 3: Cross multiply
    144,736.12x = 199,732.26 × 81,073.48
  4. Step 4: Simplify right side
    144,736.12x = 16,192,989,386.46
  5. Step 5: Solve for x
    x = 16,192,989,386.46/144,736.12
  6. Step 6: Final answer
    x = 111,879.39

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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.