Home / 155,961.40-233,942.10-77,059.30

Finding the Fourth Proportional to 155,961.40, 233,942.10 and 77,059.30

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Solution

The fourth proportional to 155,961.40, 233,942.10 and 77,059.30 is: 115,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,961.40 : 233,942.10 = 77,059.30 : x
  2. Step 2: Convert to fraction form
    155,961.40/233,942.10 = 77,059.30/x
  3. Step 3: Cross multiply
    155,961.40x = 233,942.10 × 77,059.30
  4. Step 4: Simplify right side
    155,961.40x = 18,027,414,466.53
  5. Step 5: Solve for x
    x = 18,027,414,466.53/155,961.40
  6. Step 6: Final answer
    x = 115,588.95

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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.