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Finding the Fourth Proportional to 117,276.00, 175,914 and 47,138.91

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Solution

The fourth proportional to 117,276.00, 175,914 and 47,138.91 is: 70,708.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,276.00 : 175,914 = 47,138.91 : x
  2. Step 2: Convert to fraction form
    117,276.00/175,914 = 47,138.91/x
  3. Step 3: Cross multiply
    117,276.00x = 175,914 × 47,138.91
  4. Step 4: Simplify right side
    117,276.00x = 8,292,393,554.06
  5. Step 5: Solve for x
    x = 8,292,393,554.06/117,276.00
  6. Step 6: Final answer
    x = 70,708.36

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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.