Home / 120,416.52-180,660.42-41,538.72

Finding the Fourth Proportional to 120,416.52, 180,660.42 and 41,538.72

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Solution

The fourth proportional to 120,416.52, 180,660.42 and 41,538.72 is: 62,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,416.52 : 180,660.42 = 41,538.72 : x
  2. Step 2: Convert to fraction form
    120,416.52/180,660.42 = 41,538.72/x
  3. Step 3: Cross multiply
    120,416.52x = 180,660.42 × 41,538.72
  4. Step 4: Simplify right side
    120,416.52x = 7,504,402,601.46
  5. Step 5: Solve for x
    x = 7,504,402,601.46/120,416.52
  6. Step 6: Final answer
    x = 62,320.37

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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.