Home / 80,088.52-120,114.14-30,173.62

Finding the Fourth Proportional to 80,088.52, 120,114.14 and 30,173.62

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Solution

The fourth proportional to 80,088.52, 120,114.14 and 30,173.62 is: 45,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,088.52 : 120,114.14 = 30,173.62 : x
  2. Step 2: Convert to fraction form
    80,088.52/120,114.14 = 30,173.62/x
  3. Step 3: Cross multiply
    80,088.52x = 120,114.14 × 30,173.62
  4. Step 4: Simplify right side
    80,088.52x = 3,624,278,416.99
  5. Step 5: Solve for x
    x = 3,624,278,416.99/80,088.52
  6. Step 6: Final answer
    x = 45,253.41

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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.