Home / 187,923.62-259,342.08-103,043.72

Finding the Fourth Proportional to 187,923.62, 259,342.08 and 103,043.72

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Solution

The fourth proportional to 187,923.62, 259,342.08 and 103,043.72 is: 142,204.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,923.62 : 259,342.08 = 103,043.72 : x
  2. Step 2: Convert to fraction form
    187,923.62/259,342.08 = 103,043.72/x
  3. Step 3: Cross multiply
    187,923.62x = 259,342.08 × 103,043.72
  4. Step 4: Simplify right side
    187,923.62x = 26,723,572,675.74
  5. Step 5: Solve for x
    x = 26,723,572,675.74/187,923.62
  6. Step 6: Final answer
    x = 142,204.44

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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.