Home / 137,694.57-190,017.98-77,265.07

Finding the Fourth Proportional to 137,694.57, 190,017.98 and 77,265.07

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Solution

The fourth proportional to 137,694.57, 190,017.98 and 77,265.07 is: 106,625.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,694.57 : 190,017.98 = 77,265.07 : x
  2. Step 2: Convert to fraction form
    137,694.57/190,017.98 = 77,265.07/x
  3. Step 3: Cross multiply
    137,694.57x = 190,017.98 × 77,265.07
  4. Step 4: Simplify right side
    137,694.57x = 14,681,751,954.33
  5. Step 5: Solve for x
    x = 14,681,751,954.33/137,694.57
  6. Step 6: Final answer
    x = 106,625.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.