Home / 120,164.32-180,250.64-41,277.92

Finding the Fourth Proportional to 120,164.32, 180,250.64 and 41,277.92

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Solution

The fourth proportional to 120,164.32, 180,250.64 and 41,277.92 is: 61,918.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,164.32 : 180,250.64 = 41,277.92 : x
  2. Step 2: Convert to fraction form
    120,164.32/180,250.64 = 41,277.92/x
  3. Step 3: Cross multiply
    120,164.32x = 180,250.64 × 41,277.92
  4. Step 4: Simplify right side
    120,164.32x = 7,440,371,497.87
  5. Step 5: Solve for x
    x = 7,440,371,497.87/120,164.32
  6. Step 6: Final answer
    x = 61,918.31

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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.