Home / 199,281.96-275,107.29-138,074.57

Finding the Fourth Proportional to 199,281.96, 275,107.29 and 138,074.57

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Solution

The fourth proportional to 199,281.96, 275,107.29 and 138,074.57 is: 190,610.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,281.96 : 275,107.29 = 138,074.57 : x
  2. Step 2: Convert to fraction form
    199,281.96/275,107.29 = 138,074.57/x
  3. Step 3: Cross multiply
    199,281.96x = 275,107.29 × 138,074.57
  4. Step 4: Simplify right side
    199,281.96x = 37,985,320,770.62
  5. Step 5: Solve for x
    x = 37,985,320,770.62/199,281.96
  6. Step 6: Final answer
    x = 190,610.94

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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.