Home / 199,762.20-275,677.02-109,117.33

Finding the Fourth Proportional to 199,762.20, 275,677.02 and 109,117.33

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Solution

The fourth proportional to 199,762.20, 275,677.02 and 109,117.33 is: 150,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,762.20 : 275,677.02 = 109,117.33 : x
  2. Step 2: Convert to fraction form
    199,762.20/275,677.02 = 109,117.33/x
  3. Step 3: Cross multiply
    199,762.20x = 275,677.02 × 109,117.33
  4. Step 4: Simplify right side
    199,762.20x = 30,081,139,675.56
  5. Step 5: Solve for x
    x = 30,081,139,675.56/199,762.20
  6. Step 6: Final answer
    x = 150,584.74

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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.