Home / 156,440.89-234,100.74-135,453.32

Finding the Fourth Proportional to 156,440.89, 234,100.74 and 135,453.32

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Solution

The fourth proportional to 156,440.89, 234,100.74 and 135,453.32 is: 202,694.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,440.89 : 234,100.74 = 135,453.32 : x
  2. Step 2: Convert to fraction form
    156,440.89/234,100.74 = 135,453.32/x
  3. Step 3: Cross multiply
    156,440.89x = 234,100.74 × 135,453.32
  4. Step 4: Simplify right side
    156,440.89x = 31,709,722,447.46
  5. Step 5: Solve for x
    x = 31,709,722,447.46/156,440.89
  6. Step 6: Final answer
    x = 202,694.59

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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.