Home / 117,653.08-162,279.14-77,353.96

Finding the Fourth Proportional to 117,653.08, 162,279.14 and 77,353.96

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Solution

The fourth proportional to 117,653.08, 162,279.14 and 77,353.96 is: 106,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,653.08 : 162,279.14 = 77,353.96 : x
  2. Step 2: Convert to fraction form
    117,653.08/162,279.14 = 77,353.96/x
  3. Step 3: Cross multiply
    117,653.08x = 162,279.14 × 77,353.96
  4. Step 4: Simplify right side
    117,653.08x = 12,552,934,104.39
  5. Step 5: Solve for x
    x = 12,552,934,104.39/117,653.08
  6. Step 6: Final answer
    x = 106,694.48

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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.