Home / 143,445.84-215,166.32-49,949.16

Finding the Fourth Proportional to 143,445.84, 215,166.32 and 49,949.16

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Solution

The fourth proportional to 143,445.84, 215,166.32 and 49,949.16 is: 74,922.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,445.84 : 215,166.32 = 49,949.16 : x
  2. Step 2: Convert to fraction form
    143,445.84/215,166.32 = 49,949.16/x
  3. Step 3: Cross multiply
    143,445.84x = 215,166.32 × 49,949.16
  4. Step 4: Simplify right side
    143,445.84x = 10,747,376,355.95
  5. Step 5: Solve for x
    x = 10,747,376,355.95/143,445.84
  6. Step 6: Final answer
    x = 74,922.89

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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.