Home / 104,285.22-143,913.15-56,538.42

Finding the Fourth Proportional to 104,285.22, 143,913.15 and 56,538.42

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Solution

The fourth proportional to 104,285.22, 143,913.15 and 56,538.42 is: 78,022.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,285.22 : 143,913.15 = 56,538.42 : x
  2. Step 2: Convert to fraction form
    104,285.22/143,913.15 = 56,538.42/x
  3. Step 3: Cross multiply
    104,285.22x = 143,913.15 × 56,538.42
  4. Step 4: Simplify right side
    104,285.22x = 8,136,622,118.22
  5. Step 5: Solve for x
    x = 8,136,622,118.22/104,285.22
  6. Step 6: Final answer
    x = 78,022.77

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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.