Home / 187,926.40-259,339.08-103,043.80

Finding the Fourth Proportional to 187,926.40, 259,339.08 and 103,043.80

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Solution

The fourth proportional to 187,926.40, 259,339.08 and 103,043.80 is: 142,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,926.40 : 259,339.08 = 103,043.80 : x
  2. Step 2: Convert to fraction form
    187,926.40/259,339.08 = 103,043.80/x
  3. Step 3: Cross multiply
    187,926.40x = 259,339.08 × 103,043.80
  4. Step 4: Simplify right side
    187,926.40x = 26,723,284,291.70
  5. Step 5: Solve for x
    x = 26,723,284,291.70/187,926.40
  6. Step 6: Final answer
    x = 142,200.80

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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.