Home / 117,620.06-162,382.95-77,450.54

Finding the Fourth Proportional to 117,620.06, 162,382.95 and 77,450.54

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Solution

The fourth proportional to 117,620.06, 162,382.95 and 77,450.54 is: 106,926.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,620.06 : 162,382.95 = 77,450.54 : x
  2. Step 2: Convert to fraction form
    117,620.06/162,382.95 = 77,450.54/x
  3. Step 3: Cross multiply
    117,620.06x = 162,382.95 × 77,450.54
  4. Step 4: Simplify right side
    117,620.06x = 12,576,646,352.38
  5. Step 5: Solve for x
    x = 12,576,646,352.38/117,620.06
  6. Step 6: Final answer
    x = 106,926.04

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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.