Home / 98,451.55-135,822.69-73,020.49

Finding the Fourth Proportional to 98,451.55, 135,822.69 and 73,020.49

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Solution

The fourth proportional to 98,451.55, 135,822.69 and 73,020.49 is: 100,738.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,451.55 : 135,822.69 = 73,020.49 : x
  2. Step 2: Convert to fraction form
    98,451.55/135,822.69 = 73,020.49/x
  3. Step 3: Cross multiply
    98,451.55x = 135,822.69 × 73,020.49
  4. Step 4: Simplify right side
    98,451.55x = 9,917,839,037.36
  5. Step 5: Solve for x
    x = 9,917,839,037.36/98,451.55
  6. Step 6: Final answer
    x = 100,738.27

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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.