Home / 187,967.09-259,394.93-103,084.76

Finding the Fourth Proportional to 187,967.09, 259,394.93 and 103,084.76

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Solution

The fourth proportional to 187,967.09, 259,394.93 and 103,084.76 is: 142,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,967.09 : 259,394.93 = 103,084.76 : x
  2. Step 2: Convert to fraction form
    187,967.09/259,394.93 = 103,084.76/x
  3. Step 3: Cross multiply
    187,967.09x = 259,394.93 × 103,084.76
  4. Step 4: Simplify right side
    187,967.09x = 26,739,662,291.87
  5. Step 5: Solve for x
    x = 26,739,662,291.87/187,967.09
  6. Step 6: Final answer
    x = 142,257.15

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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.