Home / 104,289.93-143,920.46-56,543.33

Finding the Fourth Proportional to 104,289.93, 143,920.46 and 56,543.33

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Solution

The fourth proportional to 104,289.93, 143,920.46 and 56,543.33 is: 78,029.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,289.93 : 143,920.46 = 56,543.33 : x
  2. Step 2: Convert to fraction form
    104,289.93/143,920.46 = 56,543.33/x
  3. Step 3: Cross multiply
    104,289.93x = 143,920.46 × 56,543.33
  4. Step 4: Simplify right side
    104,289.93x = 8,137,742,564.69
  5. Step 5: Solve for x
    x = 8,137,742,564.69/104,289.93
  6. Step 6: Final answer
    x = 78,029.99

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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.