Home / 112,945.29-169,085.07-98,932.70

Finding the Fourth Proportional to 112,945.29, 169,085.07 and 98,932.70

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Solution

The fourth proportional to 112,945.29, 169,085.07 and 98,932.70 is: 148,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,945.29 : 169,085.07 = 98,932.70 : x
  2. Step 2: Convert to fraction form
    112,945.29/169,085.07 = 98,932.70/x
  3. Step 3: Cross multiply
    112,945.29x = 169,085.07 × 98,932.70
  4. Step 4: Simplify right side
    112,945.29x = 16,728,042,504.79
  5. Step 5: Solve for x
    x = 16,728,042,504.79/112,945.29
  6. Step 6: Final answer
    x = 148,107.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.