Home / 118,343.20-177,284.40-71,456.80

Finding the Fourth Proportional to 118,343.20, 177,284.40 and 71,456.80

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Solution

The fourth proportional to 118,343.20, 177,284.40 and 71,456.80 is: 107,046.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,343.20 : 177,284.40 = 71,456.80 : x
  2. Step 2: Convert to fraction form
    118,343.20/177,284.40 = 71,456.80/x
  3. Step 3: Cross multiply
    118,343.20x = 177,284.40 × 71,456.80
  4. Step 4: Simplify right side
    118,343.20x = 12,668,175,913.92
  5. Step 5: Solve for x
    x = 12,668,175,913.92/118,343.20
  6. Step 6: Final answer
    x = 107,046.08

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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.