Home / 119,432.42-178,890.20-56,157.72

Finding the Fourth Proportional to 119,432.42, 178,890.20 and 56,157.72

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Solution

The fourth proportional to 119,432.42, 178,890.20 and 56,157.72 is: 84,115.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,432.42 : 178,890.20 = 56,157.72 : x
  2. Step 2: Convert to fraction form
    119,432.42/178,890.20 = 56,157.72/x
  3. Step 3: Cross multiply
    119,432.42x = 178,890.20 × 56,157.72
  4. Step 4: Simplify right side
    119,432.42x = 10,046,065,481.56
  5. Step 5: Solve for x
    x = 10,046,065,481.56/119,432.42
  6. Step 6: Final answer
    x = 84,115.07

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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.