Home / 98,106.12-135,388.97-55,089.05

Finding the Fourth Proportional to 98,106.12, 135,388.97 and 55,089.05

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Solution

The fourth proportional to 98,106.12, 135,388.97 and 55,089.05 is: 76,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,106.12 : 135,388.97 = 55,089.05 : x
  2. Step 2: Convert to fraction form
    98,106.12/135,388.97 = 55,089.05/x
  3. Step 3: Cross multiply
    98,106.12x = 135,388.97 × 55,089.05
  4. Step 4: Simplify right side
    98,106.12x = 7,458,448,991.97
  5. Step 5: Solve for x
    x = 7,458,448,991.97/98,106.12
  6. Step 6: Final answer
    x = 76,024.30

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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.