Home / 98,284.82-135,452.93-71,380.46

Finding the Fourth Proportional to 98,284.82, 135,452.93 and 71,380.46

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Solution

The fourth proportional to 98,284.82, 135,452.93 and 71,380.46 is: 98,374.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,284.82 : 135,452.93 = 71,380.46 : x
  2. Step 2: Convert to fraction form
    98,284.82/135,452.93 = 71,380.46/x
  3. Step 3: Cross multiply
    98,284.82x = 135,452.93 × 71,380.46
  4. Step 4: Simplify right side
    98,284.82x = 9,668,692,433.48
  5. Step 5: Solve for x
    x = 9,668,692,433.48/98,284.82
  6. Step 6: Final answer
    x = 98,374.22

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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.