Home / 141,021.37-194,581.73-83,649.88

Finding the Fourth Proportional to 141,021.37, 194,581.73 and 83,649.88

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Solution

The fourth proportional to 141,021.37, 194,581.73 and 83,649.88 is: 115,420.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,021.37 : 194,581.73 = 83,649.88 : x
  2. Step 2: Convert to fraction form
    141,021.37/194,581.73 = 83,649.88/x
  3. Step 3: Cross multiply
    141,021.37x = 194,581.73 × 83,649.88
  4. Step 4: Simplify right side
    141,021.37x = 16,276,736,973.53
  5. Step 5: Solve for x
    x = 16,276,736,973.53/141,021.37
  6. Step 6: Final answer
    x = 115,420.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.