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Finding the Fourth Proportional to 170,189.60, 254,895.60 and 100,205.60

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Solution

The fourth proportional to 170,189.60, 254,895.60 and 100,205.60 is: 150,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,189.60 : 254,895.60 = 100,205.60 : x
  2. Step 2: Convert to fraction form
    170,189.60/254,895.60 = 100,205.60/x
  3. Step 3: Cross multiply
    170,189.60x = 254,895.60 × 100,205.60
  4. Step 4: Simplify right side
    170,189.60x = 25,541,966,535.36
  5. Step 5: Solve for x
    x = 25,541,966,535.36/170,189.60
  6. Step 6: Final answer
    x = 150,079.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.