Home / 144,579.20-216,814.92-49,782.88

Finding the Fourth Proportional to 144,579.20, 216,814.92 and 49,782.88

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Solution

The fourth proportional to 144,579.20, 216,814.92 and 49,782.88 is: 74,655.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,579.20 : 216,814.92 = 49,782.88 : x
  2. Step 2: Convert to fraction form
    144,579.20/216,814.92 = 49,782.88/x
  3. Step 3: Cross multiply
    144,579.20x = 216,814.92 × 49,782.88
  4. Step 4: Simplify right side
    144,579.20x = 10,793,671,144.57
  5. Step 5: Solve for x
    x = 10,793,671,144.57/144,579.20
  6. Step 6: Final answer
    x = 74,655.77

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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.