Home / 141,331.56-195,033.62-77,669.40

Finding the Fourth Proportional to 141,331.56, 195,033.62 and 77,669.40

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Solution

The fourth proportional to 141,331.56, 195,033.62 and 77,669.40 is: 107,181.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,331.56 : 195,033.62 = 77,669.40 : x
  2. Step 2: Convert to fraction form
    141,331.56/195,033.62 = 77,669.40/x
  3. Step 3: Cross multiply
    141,331.56x = 195,033.62 × 77,669.40
  4. Step 4: Simplify right side
    141,331.56x = 15,148,144,245.23
  5. Step 5: Solve for x
    x = 15,148,144,245.23/141,331.56
  6. Step 6: Final answer
    x = 107,181.61

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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.