Home / 104,072.83-143,620.92-56,326.16

Finding the Fourth Proportional to 104,072.83, 143,620.92 and 56,326.16

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Solution

The fourth proportional to 104,072.83, 143,620.92 and 56,326.16 is: 77,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,072.83 : 143,620.92 = 56,326.16 : x
  2. Step 2: Convert to fraction form
    104,072.83/143,620.92 = 56,326.16/x
  3. Step 3: Cross multiply
    104,072.83x = 143,620.92 × 56,326.16
  4. Step 4: Simplify right side
    104,072.83x = 8,089,614,919.27
  5. Step 5: Solve for x
    x = 8,089,614,919.27/104,072.83
  6. Step 6: Final answer
    x = 77,730.33

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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.