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Finding the Fourth Proportional to 117,605.91, 162,296.28 and 63,890.91

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Solution

The fourth proportional to 117,605.91, 162,296.28 and 63,890.91 is: 88,169.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,605.91 : 162,296.28 = 63,890.91 : x
  2. Step 2: Convert to fraction form
    117,605.91/162,296.28 = 63,890.91/x
  3. Step 3: Cross multiply
    117,605.91x = 162,296.28 × 63,890.91
  4. Step 4: Simplify right side
    117,605.91x = 10,369,257,018.81
  5. Step 5: Solve for x
    x = 10,369,257,018.81/117,605.91
  6. Step 6: Final answer
    x = 88,169.52

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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.