Home / 120,532.64-180,757.04-49,435.10

Finding the Fourth Proportional to 120,532.64, 180,757.04 and 49,435.10

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Solution

The fourth proportional to 120,532.64, 180,757.04 and 49,435.10 is: 74,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,532.64 : 180,757.04 = 49,435.10 : x
  2. Step 2: Convert to fraction form
    120,532.64/180,757.04 = 49,435.10/x
  3. Step 3: Cross multiply
    120,532.64x = 180,757.04 × 49,435.10
  4. Step 4: Simplify right side
    120,532.64x = 8,935,741,567.91
  5. Step 5: Solve for x
    x = 8,935,741,567.91/120,532.64
  6. Step 6: Final answer
    x = 74,135.45

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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.