Home / 170,950.20-256,472.70-71,157.40

Finding the Fourth Proportional to 170,950.20, 256,472.70 and 71,157.40

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Solution

The fourth proportional to 170,950.20, 256,472.70 and 71,157.40 is: 106,755.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,950.20 : 256,472.70 = 71,157.40 : x
  2. Step 2: Convert to fraction form
    170,950.20/256,472.70 = 71,157.40/x
  3. Step 3: Cross multiply
    170,950.20x = 256,472.70 × 71,157.40
  4. Step 4: Simplify right side
    170,950.20x = 18,249,930,502.98
  5. Step 5: Solve for x
    x = 18,249,930,502.98/170,950.20
  6. Step 6: Final answer
    x = 106,755.83

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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.