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Finding the Fourth Proportional to 146,309.92, 219,252.84 and 61,953.64

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Solution

The fourth proportional to 146,309.92, 219,252.84 and 61,953.64 is: 92,840.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,309.92 : 219,252.84 = 61,953.64 : x
  2. Step 2: Convert to fraction form
    146,309.92/219,252.84 = 61,953.64/x
  3. Step 3: Cross multiply
    146,309.92x = 219,252.84 × 61,953.64
  4. Step 4: Simplify right side
    146,309.92x = 13,583,511,518.34
  5. Step 5: Solve for x
    x = 13,583,511,518.34/146,309.92
  6. Step 6: Final answer
    x = 92,840.67

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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.