Home / 175,659.20-263,661.60-87,012.80

Finding the Fourth Proportional to 175,659.20, 263,661.60 and 87,012.80

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Solution

The fourth proportional to 175,659.20, 263,661.60 and 87,012.80 is: 130,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,659.20 : 263,661.60 = 87,012.80 : x
  2. Step 2: Convert to fraction form
    175,659.20/263,661.60 = 87,012.80/x
  3. Step 3: Cross multiply
    175,659.20x = 263,661.60 × 87,012.80
  4. Step 4: Simplify right side
    175,659.20x = 22,941,934,068.48
  5. Step 5: Solve for x
    x = 22,941,934,068.48/175,659.20
  6. Step 6: Final answer
    x = 130,604.80

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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.