Home / 180,081.05-270,140.40-61,761.92

Finding the Fourth Proportional to 180,081.05, 270,140.40 and 61,761.92

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Solution

The fourth proportional to 180,081.05, 270,140.40 and 61,761.92 is: 92,649.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,081.05 : 270,140.40 = 61,761.92 : x
  2. Step 2: Convert to fraction form
    180,081.05/270,140.40 = 61,761.92/x
  3. Step 3: Cross multiply
    180,081.05x = 270,140.40 × 61,761.92
  4. Step 4: Simplify right side
    180,081.05x = 16,684,388,422.87
  5. Step 5: Solve for x
    x = 16,684,388,422.87/180,081.05
  6. Step 6: Final answer
    x = 92,649.33

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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.