Home / 118,416.20-177,624.30-103,209.80

Finding the Fourth Proportional to 118,416.20, 177,624.30 and 103,209.80

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Solution

The fourth proportional to 118,416.20, 177,624.30 and 103,209.80 is: 154,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,416.20 : 177,624.30 = 103,209.80 : x
  2. Step 2: Convert to fraction form
    118,416.20/177,624.30 = 103,209.80/x
  3. Step 3: Cross multiply
    118,416.20x = 177,624.30 × 103,209.80
  4. Step 4: Simplify right side
    118,416.20x = 18,332,568,478.14
  5. Step 5: Solve for x
    x = 18,332,568,478.14/118,416.20
  6. Step 6: Final answer
    x = 154,814.70

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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.