Home / 95,783.44-143,275.04-67,318.40

Finding the Fourth Proportional to 95,783.44, 143,275.04 and 67,318.40

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Solution

The fourth proportional to 95,783.44, 143,275.04 and 67,318.40 is: 100,696.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,783.44 : 143,275.04 = 67,318.40 : x
  2. Step 2: Convert to fraction form
    95,783.44/143,275.04 = 67,318.40/x
  3. Step 3: Cross multiply
    95,783.44x = 143,275.04 × 67,318.40
  4. Step 4: Simplify right side
    95,783.44x = 9,645,046,452.74
  5. Step 5: Solve for x
    x = 9,645,046,452.74/95,783.44
  6. Step 6: Final answer
    x = 100,696.39

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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.