Home / 134,915.25-202,382.70-51,809.25

Finding the Fourth Proportional to 134,915.25, 202,382.70 and 51,809.25

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Solution

The fourth proportional to 134,915.25, 202,382.70 and 51,809.25 is: 77,717.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,915.25 : 202,382.70 = 51,809.25 : x
  2. Step 2: Convert to fraction form
    134,915.25/202,382.70 = 51,809.25/x
  3. Step 3: Cross multiply
    134,915.25x = 202,382.70 × 51,809.25
  4. Step 4: Simplify right side
    134,915.25x = 10,485,295,899.98
  5. Step 5: Solve for x
    x = 10,485,295,899.98/134,915.25
  6. Step 6: Final answer
    x = 77,717.65

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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.