Home / 148,849.64-205,361.70-92,240.36

Finding the Fourth Proportional to 148,849.64, 205,361.70 and 92,240.36

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Solution

The fourth proportional to 148,849.64, 205,361.70 and 92,240.36 is: 127,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,849.64 : 205,361.70 = 92,240.36 : x
  2. Step 2: Convert to fraction form
    148,849.64/205,361.70 = 92,240.36/x
  3. Step 3: Cross multiply
    148,849.64x = 205,361.70 × 92,240.36
  4. Step 4: Simplify right side
    148,849.64x = 18,942,637,138.21
  5. Step 5: Solve for x
    x = 18,942,637,138.21/148,849.64
  6. Step 6: Final answer
    x = 127,260.21

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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.