Home / 120,267.72-180,356.22-49,152.30

Finding the Fourth Proportional to 120,267.72, 180,356.22 and 49,152.30

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Solution

The fourth proportional to 120,267.72, 180,356.22 and 49,152.30 is: 73,709.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,267.72 : 180,356.22 = 49,152.30 : x
  2. Step 2: Convert to fraction form
    120,267.72/180,356.22 = 49,152.30/x
  3. Step 3: Cross multiply
    120,267.72x = 180,356.22 × 49,152.30
  4. Step 4: Simplify right side
    120,267.72x = 8,864,923,032.31
  5. Step 5: Solve for x
    x = 8,864,923,032.31/120,267.72
  6. Step 6: Final answer
    x = 73,709.91

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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.