Home / 117,785.26-162,596.73-77,520.16

Finding the Fourth Proportional to 117,785.26, 162,596.73 and 77,520.16

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Solution

The fourth proportional to 117,785.26, 162,596.73 and 77,520.16 is: 107,012.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,785.26 : 162,596.73 = 77,520.16 : x
  2. Step 2: Convert to fraction form
    117,785.26/162,596.73 = 77,520.16/x
  3. Step 3: Cross multiply
    117,785.26x = 162,596.73 × 77,520.16
  4. Step 4: Simplify right side
    117,785.26x = 12,604,524,525.08
  5. Step 5: Solve for x
    x = 12,604,524,525.08/117,785.26
  6. Step 6: Final answer
    x = 107,012.75

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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.