Home / 198,025.07-273,289.07-113,140.31

Finding the Fourth Proportional to 198,025.07, 273,289.07 and 113,140.31

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Solution

The fourth proportional to 198,025.07, 273,289.07 and 113,140.31 is: 156,141.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,025.07 : 273,289.07 = 113,140.31 : x
  2. Step 2: Convert to fraction form
    198,025.07/273,289.07 = 113,140.31/x
  3. Step 3: Cross multiply
    198,025.07x = 273,289.07 × 113,140.31
  4. Step 4: Simplify right side
    198,025.07x = 30,920,009,015.82
  5. Step 5: Solve for x
    x = 30,920,009,015.82/198,025.07
  6. Step 6: Final answer
    x = 156,141.90

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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.