Home / 80,515.37-120,773.05-25,111.37

Finding the Fourth Proportional to 80,515.37, 120,773.05 and 25,111.37

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Solution

The fourth proportional to 80,515.37, 120,773.05 and 25,111.37 is: 37,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,515.37 : 120,773.05 = 25,111.37 : x
  2. Step 2: Convert to fraction form
    80,515.37/120,773.05 = 25,111.37/x
  3. Step 3: Cross multiply
    80,515.37x = 120,773.05 × 25,111.37
  4. Step 4: Simplify right side
    80,515.37x = 3,032,776,140.71
  5. Step 5: Solve for x
    x = 3,032,776,140.71/80,515.37
  6. Step 6: Final answer
    x = 37,667.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.