Home / 151,460.88-209,028.03-83,489.94

Finding the Fourth Proportional to 151,460.88, 209,028.03 and 83,489.94

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Solution

The fourth proportional to 151,460.88, 209,028.03 and 83,489.94 is: 115,222.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,460.88 : 209,028.03 = 83,489.94 : x
  2. Step 2: Convert to fraction form
    151,460.88/209,028.03 = 83,489.94/x
  3. Step 3: Cross multiply
    151,460.88x = 209,028.03 × 83,489.94
  4. Step 4: Simplify right side
    151,460.88x = 17,451,737,683.02
  5. Step 5: Solve for x
    x = 17,451,737,683.02/151,460.88
  6. Step 6: Final answer
    x = 115,222.74

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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.