Home / 104,314.89-143,954.61-56,568.24

Finding the Fourth Proportional to 104,314.89, 143,954.61 and 56,568.24

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Solution

The fourth proportional to 104,314.89, 143,954.61 and 56,568.24 is: 78,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,314.89 : 143,954.61 = 56,568.24 : x
  2. Step 2: Convert to fraction form
    104,314.89/143,954.61 = 56,568.24/x
  3. Step 3: Cross multiply
    104,314.89x = 143,954.61 × 56,568.24
  4. Step 4: Simplify right side
    104,314.89x = 8,143,258,927.59
  5. Step 5: Solve for x
    x = 8,143,258,927.59/104,314.89
  6. Step 6: Final answer
    x = 78,064.20

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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.