Home / 198,443.52-273,854.00-107,800.21

Finding the Fourth Proportional to 198,443.52, 273,854.00 and 107,800.21

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Solution

The fourth proportional to 198,443.52, 273,854.00 and 107,800.21 is: 148,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,443.52 : 273,854.00 = 107,800.21 : x
  2. Step 2: Convert to fraction form
    198,443.52/273,854.00 = 107,800.21/x
  3. Step 3: Cross multiply
    198,443.52x = 273,854.00 × 107,800.21
  4. Step 4: Simplify right side
    198,443.52x = 29,521,518,170.34
  5. Step 5: Solve for x
    x = 29,521,518,170.34/198,443.52
  6. Step 6: Final answer
    x = 148,765.35

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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.