Home / 104,749.20-144,555.24-57,003.84

Finding the Fourth Proportional to 104,749.20, 144,555.24 and 57,003.84

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Solution

The fourth proportional to 104,749.20, 144,555.24 and 57,003.84 is: 78,666.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,749.20 : 144,555.24 = 57,003.84 : x
  2. Step 2: Convert to fraction form
    104,749.20/144,555.24 = 57,003.84/x
  3. Step 3: Cross multiply
    104,749.20x = 144,555.24 × 57,003.84
  4. Step 4: Simplify right side
    104,749.20x = 8,240,203,772.12
  5. Step 5: Solve for x
    x = 8,240,203,772.12/104,749.20
  6. Step 6: Final answer
    x = 78,666.03

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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.