Home / 120,308.55-180,479.03-41,446.95

Finding the Fourth Proportional to 120,308.55, 180,479.03 and 41,446.95

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Solution

The fourth proportional to 120,308.55, 180,479.03 and 41,446.95 is: 62,176.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,308.55 : 180,479.03 = 41,446.95 : x
  2. Step 2: Convert to fraction form
    120,308.55/180,479.03 = 41,446.95/x
  3. Step 3: Cross multiply
    120,308.55x = 180,479.03 × 41,446.95
  4. Step 4: Simplify right side
    120,308.55x = 7,480,305,125.22
  5. Step 5: Solve for x
    x = 7,480,305,125.22/120,308.55
  6. Step 6: Final answer
    x = 62,176.01

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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.