Home / 120,015.27-180,044.78-41,137.47

Finding the Fourth Proportional to 120,015.27, 180,044.78 and 41,137.47

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Solution

The fourth proportional to 120,015.27, 180,044.78 and 41,137.47 is: 61,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,015.27 : 180,044.78 = 41,137.47 : x
  2. Step 2: Convert to fraction form
    120,015.27/180,044.78 = 41,137.47/x
  3. Step 3: Cross multiply
    120,015.27x = 180,044.78 × 41,137.47
  4. Step 4: Simplify right side
    120,015.27x = 7,406,586,530.22
  5. Step 5: Solve for x
    x = 7,406,586,530.22/120,015.27
  6. Step 6: Final answer
    x = 61,713.70

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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.