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Finding the Fourth Proportional to 104,520, 144,240.24 and 56,773.35

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Solution

The fourth proportional to 104,520, 144,240.24 and 56,773.35 is: 78,348.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,520 : 144,240.24 = 56,773.35 : x
  2. Step 2: Convert to fraction form
    104,520/144,240.24 = 56,773.35/x
  3. Step 3: Cross multiply
    104,520x = 144,240.24 × 56,773.35
  4. Step 4: Simplify right side
    104,520x = 8,189,001,629.60
  5. Step 5: Solve for x
    x = 8,189,001,629.60/104,520
  6. Step 6: Final answer
    x = 78,348.66

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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.