Home / 187,698.73-259,024.23-102,815.77

Finding the Fourth Proportional to 187,698.73, 259,024.23 and 102,815.77

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Solution

The fourth proportional to 187,698.73, 259,024.23 and 102,815.77 is: 141,885.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,698.73 : 259,024.23 = 102,815.77 : x
  2. Step 2: Convert to fraction form
    187,698.73/259,024.23 = 102,815.77/x
  3. Step 3: Cross multiply
    187,698.73x = 259,024.23 × 102,815.77
  4. Step 4: Simplify right side
    187,698.73x = 26,631,775,656.11
  5. Step 5: Solve for x
    x = 26,631,775,656.11/187,698.73
  6. Step 6: Final answer
    x = 141,885.75

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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.