Home / 131,699.25-181,744.95-71,269.89

Finding the Fourth Proportional to 131,699.25, 181,744.95 and 71,269.89

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Solution

The fourth proportional to 131,699.25, 181,744.95 and 71,269.89 is: 98,352.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,699.25 : 181,744.95 = 71,269.89 : x
  2. Step 2: Convert to fraction form
    131,699.25/181,744.95 = 71,269.89/x
  3. Step 3: Cross multiply
    131,699.25x = 181,744.95 × 71,269.89
  4. Step 4: Simplify right side
    131,699.25x = 12,952,942,594.56
  5. Step 5: Solve for x
    x = 12,952,942,594.56/131,699.25
  6. Step 6: Final answer
    x = 98,352.44

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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.