Home / 170,757.45-256,136.18-52,428.60

Finding the Fourth Proportional to 170,757.45, 256,136.18 and 52,428.60

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Solution

The fourth proportional to 170,757.45, 256,136.18 and 52,428.60 is: 78,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,757.45 : 256,136.18 = 52,428.60 : x
  2. Step 2: Convert to fraction form
    170,757.45/256,136.18 = 52,428.60/x
  3. Step 3: Cross multiply
    170,757.45x = 256,136.18 × 52,428.60
  4. Step 4: Simplify right side
    170,757.45x = 13,428,861,064.61
  5. Step 5: Solve for x
    x = 13,428,861,064.61/170,757.45
  6. Step 6: Final answer
    x = 78,642.90

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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.