Home / 305,743.15-458,696.05-106,063.21

Finding the Fourth Proportional to 305,743.15, 458,696.05 and 106,063.21

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Solution

The fourth proportional to 305,743.15, 458,696.05 and 106,063.21 is: 159,123.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,743.15 : 458,696.05 = 106,063.21 : x
  2. Step 2: Convert to fraction form
    305,743.15/458,696.05 = 106,063.21/x
  3. Step 3: Cross multiply
    305,743.15x = 458,696.05 × 106,063.21
  4. Step 4: Simplify right side
    305,743.15x = 48,650,773,183.84
  5. Step 5: Solve for x
    x = 48,650,773,183.84/305,743.15
  6. Step 6: Final answer
    x = 159,123.02

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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.