Home / 141,288.96-194,979.90-77,627.82

Finding the Fourth Proportional to 141,288.96, 194,979.90 and 77,627.82

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Solution

The fourth proportional to 141,288.96, 194,979.90 and 77,627.82 is: 107,127.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,288.96 : 194,979.90 = 77,627.82 : x
  2. Step 2: Convert to fraction form
    141,288.96/194,979.90 = 77,627.82/x
  3. Step 3: Cross multiply
    141,288.96x = 194,979.90 × 77,627.82
  4. Step 4: Simplify right side
    141,288.96x = 15,135,864,580.82
  5. Step 5: Solve for x
    x = 15,135,864,580.82/141,288.96
  6. Step 6: Final answer
    x = 107,127.02

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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.