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Finding the Fourth Proportional to 187,763.90, 259,114.29 and 102,880.94

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Solution

The fourth proportional to 187,763.90, 259,114.29 and 102,880.94 is: 141,975.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,763.90 : 259,114.29 = 102,880.94 : x
  2. Step 2: Convert to fraction form
    187,763.90/259,114.29 = 102,880.94/x
  3. Step 3: Cross multiply
    187,763.90x = 259,114.29 × 102,880.94
  4. Step 4: Simplify right side
    187,763.90x = 26,657,921,722.63
  5. Step 5: Solve for x
    x = 26,657,921,722.63/187,763.90
  6. Step 6: Final answer
    x = 141,975.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.