Home / 66,854.90-100,282.50-16,935

Finding the Fourth Proportional to 66,854.90, 100,282.50 and 16,935

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Solution

The fourth proportional to 66,854.90, 100,282.50 and 16,935 is: 25,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,854.90 : 100,282.50 = 16,935 : x
  2. Step 2: Convert to fraction form
    66,854.90/100,282.50 = 16,935/x
  3. Step 3: Cross multiply
    66,854.90x = 100,282.50 × 16,935
  4. Step 4: Simplify right side
    66,854.90x = 1,698,284,137.50
  5. Step 5: Solve for x
    x = 1,698,284,137.50/66,854.90
  6. Step 6: Final answer
    x = 25,402.54

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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.