Home / 126,714.73-190,114.32-42,483.22

Finding the Fourth Proportional to 126,714.73, 190,114.32 and 42,483.22

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Solution

The fourth proportional to 126,714.73, 190,114.32 and 42,483.22 is: 63,738.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,714.73 : 190,114.32 = 42,483.22 : x
  2. Step 2: Convert to fraction form
    126,714.73/190,114.32 = 42,483.22/x
  3. Step 3: Cross multiply
    126,714.73x = 190,114.32 × 42,483.22
  4. Step 4: Simplify right side
    126,714.73x = 8,076,668,481.71
  5. Step 5: Solve for x
    x = 8,076,668,481.71/126,714.73
  6. Step 6: Final answer
    x = 63,738.99

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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.