Home / 144,981.09-200,083.37-81,323.19

Finding the Fourth Proportional to 144,981.09, 200,083.37 and 81,323.19

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Solution

The fourth proportional to 144,981.09, 200,083.37 and 81,323.19 is: 112,231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,981.09 : 200,083.37 = 81,323.19 : x
  2. Step 2: Convert to fraction form
    144,981.09/200,083.37 = 81,323.19/x
  3. Step 3: Cross multiply
    144,981.09x = 200,083.37 × 81,323.19
  4. Step 4: Simplify right side
    144,981.09x = 16,271,417,507.73
  5. Step 5: Solve for x
    x = 16,271,417,507.73/144,981.09
  6. Step 6: Final answer
    x = 112,231.31

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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.