Home / 95,760.20-143,640.30-86,574.80

Finding the Fourth Proportional to 95,760.20, 143,640.30 and 86,574.80

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Solution

The fourth proportional to 95,760.20, 143,640.30 and 86,574.80 is: 129,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,760.20 : 143,640.30 = 86,574.80 : x
  2. Step 2: Convert to fraction form
    95,760.20/143,640.30 = 86,574.80/x
  3. Step 3: Cross multiply
    95,760.20x = 143,640.30 × 86,574.80
  4. Step 4: Simplify right side
    95,760.20x = 12,435,630,244.44
  5. Step 5: Solve for x
    x = 12,435,630,244.44/95,760.20
  6. Step 6: Final answer
    x = 129,862.20

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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.