Home / 187,670.16-280,798.97-131,619.68

Finding the Fourth Proportional to 187,670.16, 280,798.97 and 131,619.68

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Solution

The fourth proportional to 187,670.16, 280,798.97 and 131,619.68 is: 196,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,670.16 : 280,798.97 = 131,619.68 : x
  2. Step 2: Convert to fraction form
    187,670.16/280,798.97 = 131,619.68/x
  3. Step 3: Cross multiply
    187,670.16x = 280,798.97 × 131,619.68
  4. Step 4: Simplify right side
    187,670.16x = 36,958,668,513.64
  5. Step 5: Solve for x
    x = 36,958,668,513.64/187,670.16
  6. Step 6: Final answer
    x = 196,934.18

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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.