Home / 144,723.14-199,718.54-84,335.21

Finding the Fourth Proportional to 144,723.14, 199,718.54 and 84,335.21

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Solution

The fourth proportional to 144,723.14, 199,718.54 and 84,335.21 is: 116,382.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,723.14 : 199,718.54 = 84,335.21 : x
  2. Step 2: Convert to fraction form
    144,723.14/199,718.54 = 84,335.21/x
  3. Step 3: Cross multiply
    144,723.14x = 199,718.54 × 84,335.21
  4. Step 4: Simplify right side
    144,723.14x = 16,843,303,591.52
  5. Step 5: Solve for x
    x = 16,843,303,591.52/144,723.14
  6. Step 6: Final answer
    x = 116,382.94

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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.