Home / 198,473.37-273,895.17-107,830.05

Finding the Fourth Proportional to 198,473.37, 273,895.17 and 107,830.05

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Solution

The fourth proportional to 198,473.37, 273,895.17 and 107,830.05 is: 148,806.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,473.37 : 273,895.17 = 107,830.05 : x
  2. Step 2: Convert to fraction form
    198,473.37/273,895.17 = 107,830.05/x
  3. Step 3: Cross multiply
    198,473.37x = 273,895.17 × 107,830.05
  4. Step 4: Simplify right side
    198,473.37x = 29,534,129,875.86
  5. Step 5: Solve for x
    x = 29,534,129,875.86/198,473.37
  6. Step 6: Final answer
    x = 148,806.51

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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.