Home / 151,715.73-209,317.77-98,032.38

Finding the Fourth Proportional to 151,715.73, 209,317.77 and 98,032.38

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Solution

The fourth proportional to 151,715.73, 209,317.77 and 98,032.38 is: 135,252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,715.73 : 209,317.77 = 98,032.38 : x
  2. Step 2: Convert to fraction form
    151,715.73/209,317.77 = 98,032.38/x
  3. Step 3: Cross multiply
    151,715.73x = 209,317.77 × 98,032.38
  4. Step 4: Simplify right side
    151,715.73x = 20,519,919,169.39
  5. Step 5: Solve for x
    x = 20,519,919,169.39/151,715.73
  6. Step 6: Final answer
    x = 135,252.42

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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.