Home / 187,704.72-259,032.56-102,824.80

Finding the Fourth Proportional to 187,704.72, 259,032.56 and 102,824.80

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Solution

The fourth proportional to 187,704.72, 259,032.56 and 102,824.80 is: 141,898.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,704.72 : 259,032.56 = 102,824.80 : x
  2. Step 2: Convert to fraction form
    187,704.72/259,032.56 = 102,824.80/x
  3. Step 3: Cross multiply
    187,704.72x = 259,032.56 × 102,824.80
  4. Step 4: Simplify right side
    187,704.72x = 26,634,971,175.49
  5. Step 5: Solve for x
    x = 26,634,971,175.49/187,704.72
  6. Step 6: Final answer
    x = 141,898.25

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1.5x scale

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.