Home / 95,986.60-143,979.90-84,711.40

Finding the Fourth Proportional to 95,986.60, 143,979.90 and 84,711.40

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Solution

The fourth proportional to 95,986.60, 143,979.90 and 84,711.40 is: 127,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,986.60 : 143,979.90 = 84,711.40 : x
  2. Step 2: Convert to fraction form
    95,986.60/143,979.90 = 84,711.40/x
  3. Step 3: Cross multiply
    95,986.60x = 143,979.90 × 84,711.40
  4. Step 4: Simplify right side
    95,986.60x = 12,196,738,900.86
  5. Step 5: Solve for x
    x = 12,196,738,900.86/95,986.60
  6. Step 6: Final answer
    x = 127,067.10

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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.