Home / 198,421.04-273,662.62-130,507.74

Finding the Fourth Proportional to 198,421.04, 273,662.62 and 130,507.74

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Solution

The fourth proportional to 198,421.04, 273,662.62 and 130,507.74 is: 179,996.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,421.04 : 273,662.62 = 130,507.74 : x
  2. Step 2: Convert to fraction form
    198,421.04/273,662.62 = 130,507.74/x
  3. Step 3: Cross multiply
    198,421.04x = 273,662.62 × 130,507.74
  4. Step 4: Simplify right side
    198,421.04x = 35,715,089,732.41
  5. Step 5: Solve for x
    x = 35,715,089,732.41/198,421.04
  6. Step 6: Final answer
    x = 179,996.48

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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.