Home / 120,247.20-180,274.68-57,035.52

Finding the Fourth Proportional to 120,247.20, 180,274.68 and 57,035.52

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Solution

The fourth proportional to 120,247.20, 180,274.68 and 57,035.52 is: 85,507.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,247.20 : 180,274.68 = 57,035.52 : x
  2. Step 2: Convert to fraction form
    120,247.20/180,274.68 = 57,035.52/x
  3. Step 3: Cross multiply
    120,247.20x = 180,274.68 × 57,035.52
  4. Step 4: Simplify right side
    120,247.20x = 10,282,060,116.63
  5. Step 5: Solve for x
    x = 10,282,060,116.63/120,247.20
  6. Step 6: Final answer
    x = 85,507.69

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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.