Home / 157,518.32-236,245.26-45,168.44

Finding the Fourth Proportional to 157,518.32, 236,245.26 and 45,168.44

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Solution

The fourth proportional to 157,518.32, 236,245.26 and 45,168.44 is: 67,743.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,518.32 : 236,245.26 = 45,168.44 : x
  2. Step 2: Convert to fraction form
    157,518.32/236,245.26 = 45,168.44/x
  3. Step 3: Cross multiply
    157,518.32x = 236,245.26 × 45,168.44
  4. Step 4: Simplify right side
    157,518.32x = 10,670,829,851.59
  5. Step 5: Solve for x
    x = 10,670,829,851.59/157,518.32
  6. Step 6: Final answer
    x = 67,743.42

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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.