Home / 120,189.04-180,245.12-41,284.24

Finding the Fourth Proportional to 120,189.04, 180,245.12 and 41,284.24

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Solution

The fourth proportional to 120,189.04, 180,245.12 and 41,284.24 is: 61,913.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,189.04 : 180,245.12 = 41,284.24 : x
  2. Step 2: Convert to fraction form
    120,189.04/180,245.12 = 41,284.24/x
  3. Step 3: Cross multiply
    120,189.04x = 180,245.12 × 41,284.24
  4. Step 4: Simplify right side
    120,189.04x = 7,441,282,792.91
  5. Step 5: Solve for x
    x = 7,441,282,792.91/120,189.04
  6. Step 6: Final answer
    x = 61,913.16

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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.