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Finding the Fourth Proportional to 102,893, 142,010.52 and 60,451.52

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Solution

The fourth proportional to 102,893, 142,010.52 and 60,451.52 is: 83,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,893 : 142,010.52 = 60,451.52 : x
  2. Step 2: Convert to fraction form
    102,893/142,010.52 = 60,451.52/x
  3. Step 3: Cross multiply
    102,893x = 142,010.52 × 60,451.52
  4. Step 4: Simplify right side
    102,893x = 8,584,751,789.99
  5. Step 5: Solve for x
    x = 8,584,751,789.99/102,893
  6. Step 6: Final answer
    x = 83,433.78

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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.