Home / 103,804.07-143,249.61-56,057.41

Finding the Fourth Proportional to 103,804.07, 143,249.61 and 56,057.41

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Solution

The fourth proportional to 103,804.07, 143,249.61 and 56,057.41 is: 77,359.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,804.07 : 143,249.61 = 56,057.41 : x
  2. Step 2: Convert to fraction form
    103,804.07/143,249.61 = 56,057.41/x
  3. Step 3: Cross multiply
    103,804.07x = 143,249.61 × 56,057.41
  4. Step 4: Simplify right side
    103,804.07x = 8,030,202,120.11
  5. Step 5: Solve for x
    x = 8,030,202,120.11/103,804.07
  6. Step 6: Final answer
    x = 77,359.23

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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.