Home / 187,542.03-258,814.53-102,659.70

Finding the Fourth Proportional to 187,542.03, 258,814.53 and 102,659.70

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Solution

The fourth proportional to 187,542.03, 258,814.53 and 102,659.70 is: 141,673.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,542.03 : 258,814.53 = 102,659.70 : x
  2. Step 2: Convert to fraction form
    187,542.03/258,814.53 = 102,659.70/x
  3. Step 3: Cross multiply
    187,542.03x = 258,814.53 × 102,659.70
  4. Step 4: Simplify right side
    187,542.03x = 26,569,822,005.44
  5. Step 5: Solve for x
    x = 26,569,822,005.44/187,542.03
  6. Step 6: Final answer
    x = 141,673.96

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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.