Home / 134,745.82-185,947.05-77,386.36

Finding the Fourth Proportional to 134,745.82, 185,947.05 and 77,386.36

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Solution

The fourth proportional to 134,745.82, 185,947.05 and 77,386.36 is: 106,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,745.82 : 185,947.05 = 77,386.36 : x
  2. Step 2: Convert to fraction form
    134,745.82/185,947.05 = 77,386.36/x
  3. Step 3: Cross multiply
    134,745.82x = 185,947.05 × 77,386.36
  4. Step 4: Simplify right side
    134,745.82x = 14,389,765,352.24
  5. Step 5: Solve for x
    x = 14,389,765,352.24/134,745.82
  6. Step 6: Final answer
    x = 106,791.92

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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.