Home / 67,208.45-100,813.66-17,287.43

Finding the Fourth Proportional to 67,208.45, 100,813.66 and 17,287.43

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Solution

The fourth proportional to 67,208.45, 100,813.66 and 17,287.43 is: 25,931.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,208.45 : 100,813.66 = 17,287.43 : x
  2. Step 2: Convert to fraction form
    67,208.45/100,813.66 = 17,287.43/x
  3. Step 3: Cross multiply
    67,208.45x = 100,813.66 × 17,287.43
  4. Step 4: Simplify right side
    67,208.45x = 1,742,808,543.01
  5. Step 5: Solve for x
    x = 1,742,808,543.01/67,208.45
  6. Step 6: Final answer
    x = 25,931.39

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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.