Home / 165,962.99-229,028.51-90,511.49

Finding the Fourth Proportional to 165,962.99, 229,028.51 and 90,511.49

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Solution

The fourth proportional to 165,962.99, 229,028.51 and 90,511.49 is: 124,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,962.99 : 229,028.51 = 90,511.49 : x
  2. Step 2: Convert to fraction form
    165,962.99/229,028.51 = 90,511.49/x
  3. Step 3: Cross multiply
    165,962.99x = 229,028.51 × 90,511.49
  4. Step 4: Simplify right side
    165,962.99x = 20,729,712,491.43
  5. Step 5: Solve for x
    x = 20,729,712,491.43/165,962.99
  6. Step 6: Final answer
    x = 124,905.63

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1.5x scale

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.