Home / 104,325.42-143,968.29-56,578.86

Finding the Fourth Proportional to 104,325.42, 143,968.29 and 56,578.86

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Solution

The fourth proportional to 104,325.42, 143,968.29 and 56,578.86 is: 78,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,325.42 : 143,968.29 = 56,578.86 : x
  2. Step 2: Convert to fraction form
    104,325.42/143,968.29 = 56,578.86/x
  3. Step 3: Cross multiply
    104,325.42x = 143,968.29 × 56,578.86
  4. Step 4: Simplify right side
    104,325.42x = 8,145,561,724.35
  5. Step 5: Solve for x
    x = 8,145,561,724.35/104,325.42
  6. Step 6: Final answer
    x = 78,078.40

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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.