Home / 68,160.40-102,265.98-30,709.24

Finding the Fourth Proportional to 68,160.40, 102,265.98 and 30,709.24

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Solution

The fourth proportional to 68,160.40, 102,265.98 and 30,709.24 is: 46,075.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,160.40 : 102,265.98 = 30,709.24 : x
  2. Step 2: Convert to fraction form
    68,160.40/102,265.98 = 30,709.24/x
  3. Step 3: Cross multiply
    68,160.40x = 102,265.98 × 30,709.24
  4. Step 4: Simplify right side
    68,160.40x = 3,140,510,523.66
  5. Step 5: Solve for x
    x = 3,140,510,523.66/68,160.40
  6. Step 6: Final answer
    x = 46,075.29

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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.