Home / 131,767.62-181,840.73-71,339.52

Finding the Fourth Proportional to 131,767.62, 181,840.73 and 71,339.52

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Solution

The fourth proportional to 131,767.62, 181,840.73 and 71,339.52 is: 98,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,767.62 : 181,840.73 = 71,339.52 : x
  2. Step 2: Convert to fraction form
    131,767.62/181,840.73 = 71,339.52/x
  3. Step 3: Cross multiply
    131,767.62x = 181,840.73 × 71,339.52
  4. Step 4: Simplify right side
    131,767.62x = 12,972,430,394.65
  5. Step 5: Solve for x
    x = 12,972,430,394.65/131,767.62
  6. Step 6: Final answer
    x = 98,449.30

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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.