Home / 78,158.26-107,851.82-44,169.70

Finding the Fourth Proportional to 78,158.26, 107,851.82 and 44,169.70

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Solution

The fourth proportional to 78,158.26, 107,851.82 and 44,169.70 is: 60,950.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,158.26 : 107,851.82 = 44,169.70 : x
  2. Step 2: Convert to fraction form
    78,158.26/107,851.82 = 44,169.70/x
  3. Step 3: Cross multiply
    78,158.26x = 107,851.82 × 44,169.70
  4. Step 4: Simplify right side
    78,158.26x = 4,763,782,533.85
  5. Step 5: Solve for x
    x = 4,763,782,533.85/78,158.26
  6. Step 6: Final answer
    x = 60,950.47

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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.