Home / 123,311.26-170,168.65-69,595.81

Finding the Fourth Proportional to 123,311.26, 170,168.65 and 69,595.81

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Solution

The fourth proportional to 123,311.26, 170,168.65 and 69,595.81 is: 96,041.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,311.26 : 170,168.65 = 69,595.81 : x
  2. Step 2: Convert to fraction form
    123,311.26/170,168.65 = 69,595.81/x
  3. Step 3: Cross multiply
    123,311.26x = 170,168.65 × 69,595.81
  4. Step 4: Simplify right side
    123,311.26x = 11,843,024,433.95
  5. Step 5: Solve for x
    x = 11,843,024,433.95/123,311.26
  6. Step 6: Final answer
    x = 96,041.71

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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.