Home / 219,026.12-302,255.61-123,532.52

Finding the Fourth Proportional to 219,026.12, 302,255.61 and 123,532.52

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Solution

The fourth proportional to 219,026.12, 302,255.61 and 123,532.52 is: 170,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,026.12 : 302,255.61 = 123,532.52 : x
  2. Step 2: Convert to fraction form
    219,026.12/302,255.61 = 123,532.52/x
  3. Step 3: Cross multiply
    219,026.12x = 302,255.61 × 123,532.52
  4. Step 4: Simplify right side
    219,026.12x = 37,338,395,676.16
  5. Step 5: Solve for x
    x = 37,338,395,676.16/219,026.12
  6. Step 6: Final answer
    x = 170,474.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.