Home / 80,182.02-110,578.08-68,847.96

Finding the Fourth Proportional to 80,182.02, 110,578.08 and 68,847.96

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Solution

The fourth proportional to 80,182.02, 110,578.08 and 68,847.96 is: 94,947.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,182.02 : 110,578.08 = 68,847.96 : x
  2. Step 2: Convert to fraction form
    80,182.02/110,578.08 = 68,847.96/x
  3. Step 3: Cross multiply
    80,182.02x = 110,578.08 × 68,847.96
  4. Step 4: Simplify right side
    80,182.02x = 7,613,075,228.72
  5. Step 5: Solve for x
    x = 7,613,075,228.72/80,182.02
  6. Step 6: Final answer
    x = 94,947.41

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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.