Home / 144,718.40-199,736.12-84,324.85

Finding the Fourth Proportional to 144,718.40, 199,736.12 and 84,324.85

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Solution

The fourth proportional to 144,718.40, 199,736.12 and 84,324.85 is: 116,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,718.40 : 199,736.12 = 84,324.85 : x
  2. Step 2: Convert to fraction form
    144,718.40/199,736.12 = 84,324.85/x
  3. Step 3: Cross multiply
    144,718.40x = 199,736.12 × 84,324.85
  4. Step 4: Simplify right side
    144,718.40x = 16,842,718,070.05
  5. Step 5: Solve for x
    x = 16,842,718,070.05/144,718.40
  6. Step 6: Final answer
    x = 116,382.70

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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.