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Finding the Fourth Proportional to 104,446.70, 156,670.05 and 93,074.30

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Solution

The fourth proportional to 104,446.70, 156,670.05 and 93,074.30 is: 139,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,446.70 : 156,670.05 = 93,074.30 : x
  2. Step 2: Convert to fraction form
    104,446.70/156,670.05 = 93,074.30/x
  3. Step 3: Cross multiply
    104,446.70x = 156,670.05 × 93,074.30
  4. Step 4: Simplify right side
    104,446.70x = 14,581,955,234.72
  5. Step 5: Solve for x
    x = 14,581,955,234.72/104,446.70
  6. Step 6: Final answer
    x = 139,611.45

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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.