Home / 68,126.63-102,193.58-21,383.15

Finding the Fourth Proportional to 68,126.63, 102,193.58 and 21,383.15

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Solution

The fourth proportional to 68,126.63, 102,193.58 and 21,383.15 is: 32,075.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,126.63 : 102,193.58 = 21,383.15 : x
  2. Step 2: Convert to fraction form
    68,126.63/102,193.58 = 21,383.15/x
  3. Step 3: Cross multiply
    68,126.63x = 102,193.58 × 21,383.15
  4. Step 4: Simplify right side
    68,126.63x = 2,185,220,192.67
  5. Step 5: Solve for x
    x = 2,185,220,192.67/68,126.63
  6. Step 6: Final answer
    x = 32,075.86

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1.5x scale

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.