Home / 157,968.96-236,829.50-79,134.90

Finding the Fourth Proportional to 157,968.96, 236,829.50 and 79,134.90

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Solution

The fourth proportional to 157,968.96, 236,829.50 and 79,134.90 is: 118,640.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,968.96 : 236,829.50 = 79,134.90 : x
  2. Step 2: Convert to fraction form
    157,968.96/236,829.50 = 79,134.90/x
  3. Step 3: Cross multiply
    157,968.96x = 236,829.50 × 79,134.90
  4. Step 4: Simplify right side
    157,968.96x = 18,741,478,799.55
  5. Step 5: Solve for x
    x = 18,741,478,799.55/157,968.96
  6. Step 6: Final answer
    x = 118,640.26

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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.