Home / 171,171.72-256,782.18-52,852.20

Finding the Fourth Proportional to 171,171.72, 256,782.18 and 52,852.20

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Solution

The fourth proportional to 171,171.72, 256,782.18 and 52,852.20 is: 79,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,171.72 : 256,782.18 = 52,852.20 : x
  2. Step 2: Convert to fraction form
    171,171.72/256,782.18 = 52,852.20/x
  3. Step 3: Cross multiply
    171,171.72x = 256,782.18 × 52,852.20
  4. Step 4: Simplify right side
    171,171.72x = 13,571,503,133.80
  5. Step 5: Solve for x
    x = 13,571,503,133.80/171,171.72
  6. Step 6: Final answer
    x = 79,285.90

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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.