Home / 146,075.63-219,137.67-51,281.21

Finding the Fourth Proportional to 146,075.63, 219,137.67 and 51,281.21

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Solution

The fourth proportional to 146,075.63, 219,137.67 and 51,281.21 is: 76,930.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,075.63 : 219,137.67 = 51,281.21 : x
  2. Step 2: Convert to fraction form
    146,075.63/219,137.67 = 51,281.21/x
  3. Step 3: Cross multiply
    146,075.63x = 219,137.67 × 51,281.21
  4. Step 4: Simplify right side
    146,075.63x = 11,237,644,874.18
  5. Step 5: Solve for x
    x = 11,237,644,874.18/146,075.63
  6. Step 6: Final answer
    x = 76,930.32

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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.