Home / 90,845.12-136,096.24-46,500

Finding the Fourth Proportional to 90,845.12, 136,096.24 and 46,500

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Solution

The fourth proportional to 90,845.12, 136,096.24 and 46,500 is: 69,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,845.12 : 136,096.24 = 46,500 : x
  2. Step 2: Convert to fraction form
    90,845.12/136,096.24 = 46,500/x
  3. Step 3: Cross multiply
    90,845.12x = 136,096.24 × 46,500
  4. Step 4: Simplify right side
    90,845.12x = 6,328,475,160
  5. Step 5: Solve for x
    x = 6,328,475,160/90,845.12
  6. Step 6: Final answer
    x = 69,662.25

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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.