Home / 141,289.68-194,979.60-77,627.32

Finding the Fourth Proportional to 141,289.68, 194,979.60 and 77,627.32

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Solution

The fourth proportional to 141,289.68, 194,979.60 and 77,627.32 is: 107,125.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,289.68 : 194,979.60 = 77,627.32 : x
  2. Step 2: Convert to fraction form
    141,289.68/194,979.60 = 77,627.32/x
  3. Step 3: Cross multiply
    141,289.68x = 194,979.60 × 77,627.32
  4. Step 4: Simplify right side
    141,289.68x = 15,135,743,802.67
  5. Step 5: Solve for x
    x = 15,135,743,802.67/141,289.68
  6. Step 6: Final answer
    x = 107,125.61

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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.