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Finding the Fourth Proportional to 95,330.80, 142,996.20 and 84,833.20

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Solution

The fourth proportional to 95,330.80, 142,996.20 and 84,833.20 is: 127,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,330.80 : 142,996.20 = 84,833.20 : x
  2. Step 2: Convert to fraction form
    95,330.80/142,996.20 = 84,833.20/x
  3. Step 3: Cross multiply
    95,330.80x = 142,996.20 × 84,833.20
  4. Step 4: Simplify right side
    95,330.80x = 12,130,825,233.84
  5. Step 5: Solve for x
    x = 12,130,825,233.84/95,330.80
  6. Step 6: Final answer
    x = 127,249.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.