Home / 117,516.39-162,171.68-63,800.31

Finding the Fourth Proportional to 117,516.39, 162,171.68 and 63,800.31

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Solution

The fourth proportional to 117,516.39, 162,171.68 and 63,800.31 is: 88,043.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,516.39 : 162,171.68 = 63,800.31 : x
  2. Step 2: Convert to fraction form
    117,516.39/162,171.68 = 63,800.31/x
  3. Step 3: Cross multiply
    117,516.39x = 162,171.68 × 63,800.31
  4. Step 4: Simplify right side
    117,516.39x = 10,346,603,457.22
  5. Step 5: Solve for x
    x = 10,346,603,457.22/117,516.39
  6. Step 6: Final answer
    x = 88,043.92

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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.