Home / 104,513.88-144,229.58-56,768.03

Finding the Fourth Proportional to 104,513.88, 144,229.58 and 56,768.03

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Solution

The fourth proportional to 104,513.88, 144,229.58 and 56,768.03 is: 78,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,513.88 : 144,229.58 = 56,768.03 : x
  2. Step 2: Convert to fraction form
    104,513.88/144,229.58 = 56,768.03/x
  3. Step 3: Cross multiply
    104,513.88x = 144,229.58 × 56,768.03
  4. Step 4: Simplify right side
    104,513.88x = 8,187,628,119.34
  5. Step 5: Solve for x
    x = 8,187,628,119.34/104,513.88
  6. Step 6: Final answer
    x = 78,340.10

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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.