Home / 120,895.05-166,787.40-69,898.44

Finding the Fourth Proportional to 120,895.05, 166,787.40 and 69,898.44

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Solution

The fourth proportional to 120,895.05, 166,787.40 and 69,898.44 is: 96,432.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,895.05 : 166,787.40 = 69,898.44 : x
  2. Step 2: Convert to fraction form
    120,895.05/166,787.40 = 69,898.44/x
  3. Step 3: Cross multiply
    120,895.05x = 166,787.40 × 69,898.44
  4. Step 4: Simplify right side
    120,895.05x = 11,658,179,071.66
  5. Step 5: Solve for x
    x = 11,658,179,071.66/120,895.05
  6. Step 6: Final answer
    x = 96,432.23

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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.