Home / 115,151.31-172,743.57-36,271.89

Finding the Fourth Proportional to 115,151.31, 172,743.57 and 36,271.89

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Solution

The fourth proportional to 115,151.31, 172,743.57 and 36,271.89 is: 54,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,151.31 : 172,743.57 = 36,271.89 : x
  2. Step 2: Convert to fraction form
    115,151.31/172,743.57 = 36,271.89/x
  3. Step 3: Cross multiply
    115,151.31x = 172,743.57 × 36,271.89
  4. Step 4: Simplify right side
    115,151.31x = 6,265,735,769.25
  5. Step 5: Solve for x
    x = 6,265,735,769.25/115,151.31
  6. Step 6: Final answer
    x = 54,413.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.