Home / 123,941.40-171,029.44-70,234.86

Finding the Fourth Proportional to 123,941.40, 171,029.44 and 70,234.86

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Solution

The fourth proportional to 123,941.40, 171,029.44 and 70,234.86 is: 96,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,941.40 : 171,029.44 = 70,234.86 : x
  2. Step 2: Convert to fraction form
    123,941.40/171,029.44 = 70,234.86/x
  3. Step 3: Cross multiply
    123,941.40x = 171,029.44 × 70,234.86
  4. Step 4: Simplify right side
    123,941.40x = 12,012,228,774.28
  5. Step 5: Solve for x
    x = 12,012,228,774.28/123,941.40
  6. Step 6: Final answer
    x = 96,918.61

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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.