Home / 144,351.49-216,489.30-43,125.52

Finding the Fourth Proportional to 144,351.49, 216,489.30 and 43,125.52

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Solution

The fourth proportional to 144,351.49, 216,489.30 and 43,125.52 is: 64,676.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,351.49 : 216,489.30 = 43,125.52 : x
  2. Step 2: Convert to fraction form
    144,351.49/216,489.30 = 43,125.52/x
  3. Step 3: Cross multiply
    144,351.49x = 216,489.30 × 43,125.52
  4. Step 4: Simplify right side
    144,351.49x = 9,336,213,636.94
  5. Step 5: Solve for x
    x = 9,336,213,636.94/144,351.49
  6. Step 6: Final answer
    x = 64,676.95

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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.