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Finding the Fourth Proportional to 104,850, 144,698.76 and 60,140.88

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Solution

The fourth proportional to 104,850, 144,698.76 and 60,140.88 is: 82,997.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,850 : 144,698.76 = 60,140.88 : x
  2. Step 2: Convert to fraction form
    104,850/144,698.76 = 60,140.88/x
  3. Step 3: Cross multiply
    104,850x = 144,698.76 × 60,140.88
  4. Step 4: Simplify right side
    104,850x = 8,702,310,761.31
  5. Step 5: Solve for x
    x = 8,702,310,761.31/104,850
  6. Step 6: Final answer
    x = 82,997.72

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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.