Home / 109,167.26-150,648.57-61,420.10

Finding the Fourth Proportional to 109,167.26, 150,648.57 and 61,420.10

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Solution

The fourth proportional to 109,167.26, 150,648.57 and 61,420.10 is: 84,758.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,167.26 : 150,648.57 = 61,420.10 : x
  2. Step 2: Convert to fraction form
    109,167.26/150,648.57 = 61,420.10/x
  3. Step 3: Cross multiply
    109,167.26x = 150,648.57 × 61,420.10
  4. Step 4: Simplify right side
    109,167.26x = 9,252,850,234.26
  5. Step 5: Solve for x
    x = 9,252,850,234.26/109,167.26
  6. Step 6: Final answer
    x = 84,758.47

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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.