Home / 113,855.14-170,728.05-53,833.60

Finding the Fourth Proportional to 113,855.14, 170,728.05 and 53,833.60

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Solution

The fourth proportional to 113,855.14, 170,728.05 and 53,833.60 is: 80,724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,855.14 : 170,728.05 = 53,833.60 : x
  2. Step 2: Convert to fraction form
    113,855.14/170,728.05 = 53,833.60/x
  3. Step 3: Cross multiply
    113,855.14x = 170,728.05 × 53,833.60
  4. Step 4: Simplify right side
    113,855.14x = 9,190,905,552.48
  5. Step 5: Solve for x
    x = 9,190,905,552.48/113,855.14
  6. Step 6: Final answer
    x = 80,724.56

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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.