Home / 99,830.06-149,752.26-31,435.73

Finding the Fourth Proportional to 99,830.06, 149,752.26 and 31,435.73

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Solution

The fourth proportional to 99,830.06, 149,752.26 and 31,435.73 is: 47,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,830.06 : 149,752.26 = 31,435.73 : x
  2. Step 2: Convert to fraction form
    99,830.06/149,752.26 = 31,435.73/x
  3. Step 3: Cross multiply
    99,830.06x = 149,752.26 × 31,435.73
  4. Step 4: Simplify right side
    99,830.06x = 4,707,570,863.49
  5. Step 5: Solve for x
    x = 4,707,570,863.49/99,830.06
  6. Step 6: Final answer
    x = 47,155.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.