Home / 170,755.90-256,130.26-56,911.95

Finding the Fourth Proportional to 170,755.90, 256,130.26 and 56,911.95

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Solution

The fourth proportional to 170,755.90, 256,130.26 and 56,911.95 is: 85,366.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,755.90 : 256,130.26 = 56,911.95 : x
  2. Step 2: Convert to fraction form
    170,755.90/256,130.26 = 56,911.95/x
  3. Step 3: Cross multiply
    170,755.90x = 256,130.26 × 56,911.95
  4. Step 4: Simplify right side
    170,755.90x = 14,576,872,408.33
  5. Step 5: Solve for x
    x = 14,576,872,408.33/170,755.90
  6. Step 6: Final answer
    x = 85,366.73

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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.