Home / 141,077.22-194,688.96-77,420.94

Finding the Fourth Proportional to 141,077.22, 194,688.96 and 77,420.94

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Solution

The fourth proportional to 141,077.22, 194,688.96 and 77,420.94 is: 106,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,077.22 : 194,688.96 = 77,420.94 : x
  2. Step 2: Convert to fraction form
    141,077.22/194,688.96 = 77,420.94/x
  3. Step 3: Cross multiply
    141,077.22x = 194,688.96 × 77,420.94
  4. Step 4: Simplify right side
    141,077.22x = 15,073,002,290.82
  5. Step 5: Solve for x
    x = 15,073,002,290.82/141,077.22
  6. Step 6: Final answer
    x = 106,842.21

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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.