Home / 141,878.36-212,190.06-126,193.52

Finding the Fourth Proportional to 141,878.36, 212,190.06 and 126,193.52

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Solution

The fourth proportional to 141,878.36, 212,190.06 and 126,193.52 is: 188,732.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,878.36 : 212,190.06 = 126,193.52 : x
  2. Step 2: Convert to fraction form
    141,878.36/212,190.06 = 126,193.52/x
  3. Step 3: Cross multiply
    141,878.36x = 212,190.06 × 126,193.52
  4. Step 4: Simplify right side
    141,878.36x = 26,777,010,580.41
  5. Step 5: Solve for x
    x = 26,777,010,580.41/141,878.36
  6. Step 6: Final answer
    x = 188,732.17

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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.