Home / 149,178.24-205,761.60-101,348.82

Finding the Fourth Proportional to 149,178.24, 205,761.60 and 101,348.82

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Solution

The fourth proportional to 149,178.24, 205,761.60 and 101,348.82 is: 139,790.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,178.24 : 205,761.60 = 101,348.82 : x
  2. Step 2: Convert to fraction form
    149,178.24/205,761.60 = 101,348.82/x
  3. Step 3: Cross multiply
    149,178.24x = 205,761.60 × 101,348.82
  4. Step 4: Simplify right side
    149,178.24x = 20,853,695,361.31
  5. Step 5: Solve for x
    x = 20,853,695,361.31/149,178.24
  6. Step 6: Final answer
    x = 139,790.46

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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.