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Finding the Fourth Proportional to 101,774.85, 140,466.09 and 56,467.43

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Solution

The fourth proportional to 101,774.85, 140,466.09 and 56,467.43 is: 77,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,774.85 : 140,466.09 = 56,467.43 : x
  2. Step 2: Convert to fraction form
    101,774.85/140,466.09 = 56,467.43/x
  3. Step 3: Cross multiply
    101,774.85x = 140,466.09 × 56,467.43
  4. Step 4: Simplify right side
    101,774.85x = 7,931,759,104.45
  5. Step 5: Solve for x
    x = 7,931,759,104.45/101,774.85
  6. Step 6: Final answer
    x = 77,934.37

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1.5x scale

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.