Home / 120,315.08-180,470.48-41,427.56

Finding the Fourth Proportional to 120,315.08, 180,470.48 and 41,427.56

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Solution

The fourth proportional to 120,315.08, 180,470.48 and 41,427.56 is: 62,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,315.08 : 180,470.48 = 41,427.56 : x
  2. Step 2: Convert to fraction form
    120,315.08/180,470.48 = 41,427.56/x
  3. Step 3: Cross multiply
    120,315.08x = 180,470.48 × 41,427.56
  4. Step 4: Simplify right side
    120,315.08x = 7,476,451,638.43
  5. Step 5: Solve for x
    x = 7,476,451,638.43/120,315.08
  6. Step 6: Final answer
    x = 62,140.60

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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.