Home / 197,429.55-272,451.87-106,785.60

Finding the Fourth Proportional to 197,429.55, 272,451.87 and 106,785.60

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Solution

The fourth proportional to 197,429.55, 272,451.87 and 106,785.60 is: 147,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,429.55 : 272,451.87 = 106,785.60 : x
  2. Step 2: Convert to fraction form
    197,429.55/272,451.87 = 106,785.60/x
  3. Step 3: Cross multiply
    197,429.55x = 272,451.87 × 106,785.60
  4. Step 4: Simplify right side
    197,429.55x = 29,093,936,409.07
  5. Step 5: Solve for x
    x = 29,093,936,409.07/197,429.55
  6. Step 6: Final answer
    x = 147,363.64

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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.