Home / 131,984.44-182,138.43-71,557

Finding the Fourth Proportional to 131,984.44, 182,138.43 and 71,557

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Solution

The fourth proportional to 131,984.44, 182,138.43 and 71,557 is: 98,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,984.44 : 182,138.43 = 71,557 : x
  2. Step 2: Convert to fraction form
    131,984.44/182,138.43 = 71,557/x
  3. Step 3: Cross multiply
    131,984.44x = 182,138.43 × 71,557
  4. Step 4: Simplify right side
    131,984.44x = 13,033,279,635.51
  5. Step 5: Solve for x
    x = 13,033,279,635.51/131,984.44
  6. Step 6: Final answer
    x = 98,748.61

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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.