Home / 141,026.30-194,619.56-77,364.09

Finding the Fourth Proportional to 141,026.30, 194,619.56 and 77,364.09

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Solution

The fourth proportional to 141,026.30, 194,619.56 and 77,364.09 is: 106,764.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,026.30 : 194,619.56 = 77,364.09 : x
  2. Step 2: Convert to fraction form
    141,026.30/194,619.56 = 77,364.09/x
  3. Step 3: Cross multiply
    141,026.30x = 194,619.56 × 77,364.09
  4. Step 4: Simplify right side
    141,026.30x = 15,056,564,768.78
  5. Step 5: Solve for x
    x = 15,056,564,768.78/141,026.30
  6. Step 6: Final answer
    x = 106,764.24

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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.