Home / 199,688.16-275,573.04-109,048.80

Finding the Fourth Proportional to 199,688.16, 275,573.04 and 109,048.80

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Solution

The fourth proportional to 199,688.16, 275,573.04 and 109,048.80 is: 150,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,688.16 : 275,573.04 = 109,048.80 : x
  2. Step 2: Convert to fraction form
    199,688.16/275,573.04 = 109,048.80/x
  3. Step 3: Cross multiply
    199,688.16x = 275,573.04 × 109,048.80
  4. Step 4: Simplify right side
    199,688.16x = 30,050,909,324.35
  5. Step 5: Solve for x
    x = 30,050,909,324.35/199,688.16
  6. Step 6: Final answer
    x = 150,489.19

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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.