Home / 170,711.40-256,086.30-52,381.80

Finding the Fourth Proportional to 170,711.40, 256,086.30 and 52,381.80

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Solution

The fourth proportional to 170,711.40, 256,086.30 and 52,381.80 is: 78,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,711.40 : 256,086.30 = 52,381.80 : x
  2. Step 2: Convert to fraction form
    170,711.40/256,086.30 = 52,381.80/x
  3. Step 3: Cross multiply
    170,711.40x = 256,086.30 × 52,381.80
  4. Step 4: Simplify right side
    170,711.40x = 13,414,261,349.34
  5. Step 5: Solve for x
    x = 13,414,261,349.34/170,711.40
  6. Step 6: Final answer
    x = 78,578.59

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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.