Home / 170,487.40-255,750.30-52,157.80

Finding the Fourth Proportional to 170,487.40, 255,750.30 and 52,157.80

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Solution

The fourth proportional to 170,487.40, 255,750.30 and 52,157.80 is: 78,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,487.40 : 255,750.30 = 52,157.80 : x
  2. Step 2: Convert to fraction form
    170,487.40/255,750.30 = 52,157.80/x
  3. Step 3: Cross multiply
    170,487.40x = 255,750.30 × 52,157.80
  4. Step 4: Simplify right side
    170,487.40x = 13,339,372,997.34
  5. Step 5: Solve for x
    x = 13,339,372,997.34/170,487.40
  6. Step 6: Final answer
    x = 78,242.57

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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.