Home / 98,004.97-135,323.04-75,308.19

Finding the Fourth Proportional to 98,004.97, 135,323.04 and 75,308.19

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Solution

The fourth proportional to 98,004.97, 135,323.04 and 75,308.19 is: 103,983.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,004.97 : 135,323.04 = 75,308.19 : x
  2. Step 2: Convert to fraction form
    98,004.97/135,323.04 = 75,308.19/x
  3. Step 3: Cross multiply
    98,004.97x = 135,323.04 × 75,308.19
  4. Step 4: Simplify right side
    98,004.97x = 10,190,933,207.70
  5. Step 5: Solve for x
    x = 10,190,933,207.70/98,004.97
  6. Step 6: Final answer
    x = 103,983.84

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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.