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Finding the Fourth Proportional to 133,575.21, 200,044.77 and 77,296.68

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Solution

The fourth proportional to 133,575.21, 200,044.77 and 77,296.68 is: 115,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,575.21 : 200,044.77 = 77,296.68 : x
  2. Step 2: Convert to fraction form
    133,575.21/200,044.77 = 77,296.68/x
  3. Step 3: Cross multiply
    133,575.21x = 200,044.77 × 77,296.68
  4. Step 4: Simplify right side
    133,575.21x = 15,462,796,572.36
  5. Step 5: Solve for x
    x = 15,462,796,572.36/133,575.21
  6. Step 6: Final answer
    x = 115,760.98

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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.