Home / 117,717.60-176,511.60-51,146.40

Finding the Fourth Proportional to 117,717.60, 176,511.60 and 51,146.40

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Solution

The fourth proportional to 117,717.60, 176,511.60 and 51,146.40 is: 76,691.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,717.60 : 176,511.60 = 51,146.40 : x
  2. Step 2: Convert to fraction form
    117,717.60/176,511.60 = 51,146.40/x
  3. Step 3: Cross multiply
    117,717.60x = 176,511.60 × 51,146.40
  4. Step 4: Simplify right side
    117,717.60x = 9,027,932,898.24
  5. Step 5: Solve for x
    x = 9,027,932,898.24/117,717.60
  6. Step 6: Final answer
    x = 76,691.45

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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.