Home / 187,795.51-259,159.85-102,910.75

Finding the Fourth Proportional to 187,795.51, 259,159.85 and 102,910.75

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Solution

The fourth proportional to 187,795.51, 259,159.85 and 102,910.75 is: 142,017.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,795.51 : 259,159.85 = 102,910.75 : x
  2. Step 2: Convert to fraction form
    187,795.51/259,159.85 = 102,910.75/x
  3. Step 3: Cross multiply
    187,795.51x = 259,159.85 × 102,910.75
  4. Step 4: Simplify right side
    187,795.51x = 26,670,334,018.83
  5. Step 5: Solve for x
    x = 26,670,334,018.83/187,795.51
  6. Step 6: Final answer
    x = 142,017.95

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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.