Home / 117,664.47-162,378.23-63,949.49

Finding the Fourth Proportional to 117,664.47, 162,378.23 and 63,949.49

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Solution

The fourth proportional to 117,664.47, 162,378.23 and 63,949.49 is: 88,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,664.47 : 162,378.23 = 63,949.49 : x
  2. Step 2: Convert to fraction form
    117,664.47/162,378.23 = 63,949.49/x
  3. Step 3: Cross multiply
    117,664.47x = 162,378.23 × 63,949.49
  4. Step 4: Simplify right side
    117,664.47x = 10,384,004,269.91
  5. Step 5: Solve for x
    x = 10,384,004,269.91/117,664.47
  6. Step 6: Final answer
    x = 88,250.98

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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.