Home / 104,457.18-144,183.78-66,731.42

Finding the Fourth Proportional to 104,457.18, 144,183.78 and 66,731.42

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Solution

The fourth proportional to 104,457.18, 144,183.78 and 66,731.42 is: 92,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,457.18 : 144,183.78 = 66,731.42 : x
  2. Step 2: Convert to fraction form
    104,457.18/144,183.78 = 66,731.42/x
  3. Step 3: Cross multiply
    104,457.18x = 144,183.78 × 66,731.42
  4. Step 4: Simplify right side
    104,457.18x = 9,621,588,380.37
  5. Step 5: Solve for x
    x = 9,621,588,380.37/104,457.18
  6. Step 6: Final answer
    x = 92,110.36

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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.