Home / 120,159.23-180,243.09-41,272.92

Finding the Fourth Proportional to 120,159.23, 180,243.09 and 41,272.92

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Solution

The fourth proportional to 120,159.23, 180,243.09 and 41,272.92 is: 61,910.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,159.23 : 180,243.09 = 41,272.92 : x
  2. Step 2: Convert to fraction form
    120,159.23/180,243.09 = 41,272.92/x
  3. Step 3: Cross multiply
    120,159.23x = 180,243.09 × 41,272.92
  4. Step 4: Simplify right side
    120,159.23x = 7,439,158,634.12
  5. Step 5: Solve for x
    x = 7,439,158,634.12/120,159.23
  6. Step 6: Final answer
    x = 61,910.84

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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.