Home / 119,252.45-178,884.80-30,506.72

Finding the Fourth Proportional to 119,252.45, 178,884.80 and 30,506.72

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Solution

The fourth proportional to 119,252.45, 178,884.80 and 30,506.72 is: 45,761.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,252.45 : 178,884.80 = 30,506.72 : x
  2. Step 2: Convert to fraction form
    119,252.45/178,884.80 = 30,506.72/x
  3. Step 3: Cross multiply
    119,252.45x = 178,884.80 × 30,506.72
  4. Step 4: Simplify right side
    119,252.45x = 5,457,188,353.32
  5. Step 5: Solve for x
    x = 5,457,188,353.32/119,252.45
  6. Step 6: Final answer
    x = 45,761.65

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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.