Home / 141,158.82-194,798.36-76,629.36

Finding the Fourth Proportional to 141,158.82, 194,798.36 and 76,629.36

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Solution

The fourth proportional to 141,158.82, 194,798.36 and 76,629.36 is: 105,748.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,158.82 : 194,798.36 = 76,629.36 : x
  2. Step 2: Convert to fraction form
    141,158.82/194,798.36 = 76,629.36/x
  3. Step 3: Cross multiply
    141,158.82x = 194,798.36 × 76,629.36
  4. Step 4: Simplify right side
    141,158.82x = 14,927,273,272.70
  5. Step 5: Solve for x
    x = 14,927,273,272.70/141,158.82
  6. Step 6: Final answer
    x = 105,748.07

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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.