Home / 125,819.18-173,635.26-72,114.56

Finding the Fourth Proportional to 125,819.18, 173,635.26 and 72,114.56

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Solution

The fourth proportional to 125,819.18, 173,635.26 and 72,114.56 is: 99,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,819.18 : 173,635.26 = 72,114.56 : x
  2. Step 2: Convert to fraction form
    125,819.18/173,635.26 = 72,114.56/x
  3. Step 3: Cross multiply
    125,819.18x = 173,635.26 × 72,114.56
  4. Step 4: Simplify right side
    125,819.18x = 12,521,630,375.39
  5. Step 5: Solve for x
    x = 12,521,630,375.39/125,819.18
  6. Step 6: Final answer
    x = 99,520.84

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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.