Home / 119,733.20-179,794.20-80,464.40

Finding the Fourth Proportional to 119,733.20, 179,794.20 and 80,464.40

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Solution

The fourth proportional to 119,733.20, 179,794.20 and 80,464.40 is: 120,827.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,733.20 : 179,794.20 = 80,464.40 : x
  2. Step 2: Convert to fraction form
    119,733.20/179,794.20 = 80,464.40/x
  3. Step 3: Cross multiply
    119,733.20x = 179,794.20 × 80,464.40
  4. Step 4: Simplify right side
    119,733.20x = 14,467,032,426.48
  5. Step 5: Solve for x
    x = 14,467,032,426.48/119,733.20
  6. Step 6: Final answer
    x = 120,827.24

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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.