Home / 187,710.57-259,044.75-107,136.43

Finding the Fourth Proportional to 187,710.57, 259,044.75 and 107,136.43

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Solution

The fourth proportional to 187,710.57, 259,044.75 and 107,136.43 is: 147,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,710.57 : 259,044.75 = 107,136.43 : x
  2. Step 2: Convert to fraction form
    187,710.57/259,044.75 = 107,136.43/x
  3. Step 3: Cross multiply
    187,710.57x = 259,044.75 × 107,136.43
  4. Step 4: Simplify right side
    187,710.57x = 27,753,129,077.63
  5. Step 5: Solve for x
    x = 27,753,129,077.63/187,710.57
  6. Step 6: Final answer
    x = 147,850.65

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1.5x scale

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.