Home / 175,315.20-263,145.60-86,668.80

Finding the Fourth Proportional to 175,315.20, 263,145.60 and 86,668.80

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Solution

The fourth proportional to 175,315.20, 263,145.60 and 86,668.80 is: 130,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,315.20 : 263,145.60 = 86,668.80 : x
  2. Step 2: Convert to fraction form
    175,315.20/263,145.60 = 86,668.80/x
  3. Step 3: Cross multiply
    175,315.20x = 263,145.60 × 86,668.80
  4. Step 4: Simplify right side
    175,315.20x = 22,806,513,377.28
  5. Step 5: Solve for x
    x = 22,806,513,377.28/175,315.20
  6. Step 6: Final answer
    x = 130,088.63

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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.