Home / 120,787.33-166,680.93-67,075.75

Finding the Fourth Proportional to 120,787.33, 166,680.93 and 67,075.75

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Solution

The fourth proportional to 120,787.33, 166,680.93 and 67,075.75 is: 92,561.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,787.33 : 166,680.93 = 67,075.75 : x
  2. Step 2: Convert to fraction form
    120,787.33/166,680.93 = 67,075.75/x
  3. Step 3: Cross multiply
    120,787.33x = 166,680.93 × 67,075.75
  4. Step 4: Simplify right side
    120,787.33x = 11,180,248,390.45
  5. Step 5: Solve for x
    x = 11,180,248,390.45/120,787.33
  6. Step 6: Final answer
    x = 92,561.43

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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.