Home / 117,605.23-162,295.43-63,890.30

Finding the Fourth Proportional to 117,605.23, 162,295.43 and 63,890.30

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Solution

The fourth proportional to 117,605.23, 162,295.43 and 63,890.30 is: 88,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,605.23 : 162,295.43 = 63,890.30 : x
  2. Step 2: Convert to fraction form
    117,605.23/162,295.43 = 63,890.30/x
  3. Step 3: Cross multiply
    117,605.23x = 162,295.43 × 63,890.30
  4. Step 4: Simplify right side
    117,605.23x = 10,369,103,797.62
  5. Step 5: Solve for x
    x = 10,369,103,797.62/117,605.23
  6. Step 6: Final answer
    x = 88,168.73

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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.