Home / 94,075.46-141,040.74-81,578.28

Finding the Fourth Proportional to 94,075.46, 141,040.74 and 81,578.28

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Solution

The fourth proportional to 94,075.46, 141,040.74 and 81,578.28 is: 122,304.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,075.46 : 141,040.74 = 81,578.28 : x
  2. Step 2: Convert to fraction form
    94,075.46/141,040.74 = 81,578.28/x
  3. Step 3: Cross multiply
    94,075.46x = 141,040.74 × 81,578.28
  4. Step 4: Simplify right side
    94,075.46x = 11,505,860,979.13
  5. Step 5: Solve for x
    x = 11,505,860,979.13/94,075.46
  6. Step 6: Final answer
    x = 122,304.59

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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.