Home / 134,435.30-201,605.90-39,640.32

Finding the Fourth Proportional to 134,435.30, 201,605.90 and 39,640.32

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Solution

The fourth proportional to 134,435.30, 201,605.90 and 39,640.32 is: 59,446.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,435.30 : 201,605.90 = 39,640.32 : x
  2. Step 2: Convert to fraction form
    134,435.30/201,605.90 = 39,640.32/x
  3. Step 3: Cross multiply
    134,435.30x = 201,605.90 × 39,640.32
  4. Step 4: Simplify right side
    134,435.30x = 7,991,722,191.69
  5. Step 5: Solve for x
    x = 7,991,722,191.69/134,435.30
  6. Step 6: Final answer
    x = 59,446.61

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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.