Home / 125,819.06-173,635.08-72,114.44

Finding the Fourth Proportional to 125,819.06, 173,635.08 and 72,114.44

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Solution

The fourth proportional to 125,819.06, 173,635.08 and 72,114.44 is: 99,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,819.06 : 173,635.08 = 72,114.44 : x
  2. Step 2: Convert to fraction form
    125,819.06/173,635.08 = 72,114.44/x
  3. Step 3: Cross multiply
    125,819.06x = 173,635.08 × 72,114.44
  4. Step 4: Simplify right side
    125,819.06x = 12,521,596,558.56
  5. Step 5: Solve for x
    x = 12,521,596,558.56/125,819.06
  6. Step 6: Final answer
    x = 99,520.67

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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.