Home / 127,840.06-191,787.78-48,954.29

Finding the Fourth Proportional to 127,840.06, 191,787.78 and 48,954.29

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Solution

The fourth proportional to 127,840.06, 191,787.78 and 48,954.29 is: 73,442.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,840.06 : 191,787.78 = 48,954.29 : x
  2. Step 2: Convert to fraction form
    127,840.06/191,787.78 = 48,954.29/x
  3. Step 3: Cross multiply
    127,840.06x = 191,787.78 × 48,954.29
  4. Step 4: Simplify right side
    127,840.06x = 9,388,834,835.27
  5. Step 5: Solve for x
    x = 9,388,834,835.27/127,840.06
  6. Step 6: Final answer
    x = 73,442.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.