Home / 104,696.07-144,403.23-66,422.67

Finding the Fourth Proportional to 104,696.07, 144,403.23 and 66,422.67

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Solution

The fourth proportional to 104,696.07, 144,403.23 and 66,422.67 is: 91,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,696.07 : 144,403.23 = 66,422.67 : x
  2. Step 2: Convert to fraction form
    104,696.07/144,403.23 = 66,422.67/x
  3. Step 3: Cross multiply
    104,696.07x = 144,403.23 × 66,422.67
  4. Step 4: Simplify right side
    104,696.07x = 9,591,648,093.22
  5. Step 5: Solve for x
    x = 9,591,648,093.22/104,696.07
  6. Step 6: Final answer
    x = 91,614.21

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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.