Home / 198,369.60-273,751.20-113,490.24

Finding the Fourth Proportional to 198,369.60, 273,751.20 and 113,490.24

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Solution

The fourth proportional to 198,369.60, 273,751.20 and 113,490.24 is: 156,617.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,369.60 : 273,751.20 = 113,490.24 : x
  2. Step 2: Convert to fraction form
    198,369.60/273,751.20 = 113,490.24/x
  3. Step 3: Cross multiply
    198,369.60x = 273,751.20 × 113,490.24
  4. Step 4: Simplify right side
    198,369.60x = 31,068,089,388.29
  5. Step 5: Solve for x
    x = 31,068,089,388.29/198,369.60
  6. Step 6: Final answer
    x = 156,617.19

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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.