Home / 198,460.10-273,868.62-113,575.34

Finding the Fourth Proportional to 198,460.10, 273,868.62 and 113,575.34

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Solution

The fourth proportional to 198,460.10, 273,868.62 and 113,575.34 is: 156,730.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,460.10 : 273,868.62 = 113,575.34 : x
  2. Step 2: Convert to fraction form
    198,460.10/273,868.62 = 113,575.34/x
  3. Step 3: Cross multiply
    198,460.10x = 273,868.62 × 113,575.34
  4. Step 4: Simplify right side
    198,460.10x = 31,104,721,631.83
  5. Step 5: Solve for x
    x = 31,104,721,631.83/198,460.10
  6. Step 6: Final answer
    x = 156,730.35

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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.