Home / 187,617.51-258,909.57-102,734.55

Finding the Fourth Proportional to 187,617.51, 258,909.57 and 102,734.55

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Solution

The fourth proportional to 187,617.51, 258,909.57 and 102,734.55 is: 141,772.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,617.51 : 258,909.57 = 102,734.55 : x
  2. Step 2: Convert to fraction form
    187,617.51/258,909.57 = 102,734.55/x
  3. Step 3: Cross multiply
    187,617.51x = 258,909.57 × 102,734.55
  4. Step 4: Simplify right side
    187,617.51x = 26,598,958,164.64
  5. Step 5: Solve for x
    x = 26,598,958,164.64/187,617.51
  6. Step 6: Final answer
    x = 141,772.26

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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.