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Finding the Fourth Proportional to 117,006.30, 175,509.45 and 112,085.55

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Solution

The fourth proportional to 117,006.30, 175,509.45 and 112,085.55 is: 168,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,006.30 : 175,509.45 = 112,085.55 : x
  2. Step 2: Convert to fraction form
    117,006.30/175,509.45 = 112,085.55/x
  3. Step 3: Cross multiply
    117,006.30x = 175,509.45 × 112,085.55
  4. Step 4: Simplify right side
    117,006.30x = 19,672,073,233.45
  5. Step 5: Solve for x
    x = 19,672,073,233.45/117,006.30
  6. Step 6: Final answer
    x = 168,128.33

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