Home / 180,330.32-270,520.09-75,124.69

Finding the Fourth Proportional to 180,330.32, 270,520.09 and 75,124.69

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Solution

The fourth proportional to 180,330.32, 270,520.09 and 75,124.69 is: 112,697.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,330.32 : 270,520.09 = 75,124.69 : x
  2. Step 2: Convert to fraction form
    180,330.32/270,520.09 = 75,124.69/x
  3. Step 3: Cross multiply
    180,330.32x = 270,520.09 × 75,124.69
  4. Step 4: Simplify right side
    180,330.32x = 20,322,737,035.91
  5. Step 5: Solve for x
    x = 20,322,737,035.91/180,330.32
  6. Step 6: Final answer
    x = 112,697.28

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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.