Home / 104,431.96-144,112.24-56,684.28

Finding the Fourth Proportional to 104,431.96, 144,112.24 and 56,684.28

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Solution

The fourth proportional to 104,431.96, 144,112.24 and 56,684.28 is: 78,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,431.96 : 144,112.24 = 56,684.28 : x
  2. Step 2: Convert to fraction form
    104,431.96/144,112.24 = 56,684.28/x
  3. Step 3: Cross multiply
    104,431.96x = 144,112.24 × 56,684.28
  4. Step 4: Simplify right side
    104,431.96x = 8,168,898,563.59
  5. Step 5: Solve for x
    x = 8,168,898,563.59/104,431.96
  6. Step 6: Final answer
    x = 78,222.21

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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.