Home / 98,017.92-135,448.61-80,106.39

Finding the Fourth Proportional to 98,017.92, 135,448.61 and 80,106.39

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Solution

The fourth proportional to 98,017.92, 135,448.61 and 80,106.39 is: 110,697.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,017.92 : 135,448.61 = 80,106.39 : x
  2. Step 2: Convert to fraction form
    98,017.92/135,448.61 = 80,106.39/x
  3. Step 3: Cross multiply
    98,017.92x = 135,448.61 × 80,106.39
  4. Step 4: Simplify right side
    98,017.92x = 10,850,298,777.09
  5. Step 5: Solve for x
    x = 10,850,298,777.09/98,017.92
  6. Step 6: Final answer
    x = 110,697.09

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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.