Home / 104,315.41-143,954.01-56,568.19

Finding the Fourth Proportional to 104,315.41, 143,954.01 and 56,568.19

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Solution

The fourth proportional to 104,315.41, 143,954.01 and 56,568.19 is: 78,063.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,315.41 : 143,954.01 = 56,568.19 : x
  2. Step 2: Convert to fraction form
    104,315.41/143,954.01 = 56,568.19/x
  3. Step 3: Cross multiply
    104,315.41x = 143,954.01 × 56,568.19
  4. Step 4: Simplify right side
    104,315.41x = 8,143,217,698.97
  5. Step 5: Solve for x
    x = 8,143,217,698.97/104,315.41
  6. Step 6: Final answer
    x = 78,063.42

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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.