Home / 117,491.84-162,201.92-90,575.36

Finding the Fourth Proportional to 117,491.84, 162,201.92 and 90,575.36

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Solution

The fourth proportional to 117,491.84, 162,201.92 and 90,575.36 is: 125,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,491.84 : 162,201.92 = 90,575.36 : x
  2. Step 2: Convert to fraction form
    117,491.84/162,201.92 = 90,575.36/x
  3. Step 3: Cross multiply
    117,491.84x = 162,201.92 × 90,575.36
  4. Step 4: Simplify right side
    117,491.84x = 14,691,497,296.69
  5. Step 5: Solve for x
    x = 14,691,497,296.69/117,491.84
  6. Step 6: Final answer
    x = 125,042.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.