Home / 157,731.03-236,505.60-107,871.57

Finding the Fourth Proportional to 157,731.03, 236,505.60 and 107,871.57

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Solution

The fourth proportional to 157,731.03, 236,505.60 and 107,871.57 is: 161,745.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,731.03 : 236,505.60 = 107,871.57 : x
  2. Step 2: Convert to fraction form
    157,731.03/236,505.60 = 107,871.57/x
  3. Step 3: Cross multiply
    157,731.03x = 236,505.60 × 107,871.57
  4. Step 4: Simplify right side
    157,731.03x = 25,512,230,385.79
  5. Step 5: Solve for x
    x = 25,512,230,385.79/157,731.03
  6. Step 6: Final answer
    x = 161,745.16

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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.