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Finding the Fourth Proportional to 119,722.72, 179,638.68 and 44,848.60

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Solution

The fourth proportional to 119,722.72, 179,638.68 and 44,848.60 is: 67,293.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,722.72 : 179,638.68 = 44,848.60 : x
  2. Step 2: Convert to fraction form
    119,722.72/179,638.68 = 44,848.60/x
  3. Step 3: Cross multiply
    119,722.72x = 179,638.68 × 44,848.60
  4. Step 4: Simplify right side
    119,722.72x = 8,056,543,303.85
  5. Step 5: Solve for x
    x = 8,056,543,303.85/119,722.72
  6. Step 6: Final answer
    x = 67,293.35

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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.