Home / 125,834.85-173,676.96-72,156.15

Finding the Fourth Proportional to 125,834.85, 173,676.96 and 72,156.15

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Solution

The fourth proportional to 125,834.85, 173,676.96 and 72,156.15 is: 99,589.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,834.85 : 173,676.96 = 72,156.15 : x
  2. Step 2: Convert to fraction form
    125,834.85/173,676.96 = 72,156.15/x
  3. Step 3: Cross multiply
    125,834.85x = 173,676.96 × 72,156.15
  4. Step 4: Simplify right side
    125,834.85x = 12,531,860,777.30
  5. Step 5: Solve for x
    x = 12,531,860,777.30/125,834.85
  6. Step 6: Final answer
    x = 99,589.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.