Home / 156,743.35-235,115.03-109,504.15

Finding the Fourth Proportional to 156,743.35, 235,115.03 and 109,504.15

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Solution

The fourth proportional to 156,743.35, 235,115.03 and 109,504.15 is: 164,256.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,743.35 : 235,115.03 = 109,504.15 : x
  2. Step 2: Convert to fraction form
    156,743.35/235,115.03 = 109,504.15/x
  3. Step 3: Cross multiply
    156,743.35x = 235,115.03 × 109,504.15
  4. Step 4: Simplify right side
    156,743.35x = 25,746,071,512.37
  5. Step 5: Solve for x
    x = 25,746,071,512.37/156,743.35
  6. Step 6: Final answer
    x = 164,256.23

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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.