Home / 144,879.22-199,886.07-84,436.03

Finding the Fourth Proportional to 144,879.22, 199,886.07 and 84,436.03

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Solution

The fourth proportional to 144,879.22, 199,886.07 and 84,436.03 is: 116,494.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,879.22 : 199,886.07 = 84,436.03 : x
  2. Step 2: Convert to fraction form
    144,879.22/199,886.07 = 84,436.03/x
  3. Step 3: Cross multiply
    144,879.22x = 199,886.07 × 84,436.03
  4. Step 4: Simplify right side
    144,879.22x = 16,877,586,203.10
  5. Step 5: Solve for x
    x = 16,877,586,203.10/144,879.22
  6. Step 6: Final answer
    x = 116,494.18

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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.