Home / 151,619.60-209,302.31-97,930.80

Finding the Fourth Proportional to 151,619.60, 209,302.31 and 97,930.80

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Solution

The fourth proportional to 151,619.60, 209,302.31 and 97,930.80 is: 135,187.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,619.60 : 209,302.31 = 97,930.80 : x
  2. Step 2: Convert to fraction form
    151,619.60/209,302.31 = 97,930.80/x
  3. Step 3: Cross multiply
    151,619.60x = 209,302.31 × 97,930.80
  4. Step 4: Simplify right side
    151,619.60x = 20,497,142,170.49
  5. Step 5: Solve for x
    x = 20,497,142,170.49/151,619.60
  6. Step 6: Final answer
    x = 135,187.94

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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.