Home / 119,181.45-178,772.02-30,435.02

Finding the Fourth Proportional to 119,181.45, 178,772.02 and 30,435.02

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Solution

The fourth proportional to 119,181.45, 178,772.02 and 30,435.02 is: 45,652.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,181.45 : 178,772.02 = 30,435.02 : x
  2. Step 2: Convert to fraction form
    119,181.45/178,772.02 = 30,435.02/x
  3. Step 3: Cross multiply
    119,181.45x = 178,772.02 × 30,435.02
  4. Step 4: Simplify right side
    119,181.45x = 5,440,930,004.14
  5. Step 5: Solve for x
    x = 5,440,930,004.14/119,181.45
  6. Step 6: Final answer
    x = 45,652.49

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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.