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Finding the Fourth Proportional to 113,154.89, 169,880.75 and 75,881.79

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Solution

The fourth proportional to 113,154.89, 169,880.75 and 75,881.79 is: 113,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,154.89 : 169,880.75 = 75,881.79 : x
  2. Step 2: Convert to fraction form
    113,154.89/169,880.75 = 75,881.79/x
  3. Step 3: Cross multiply
    113,154.89x = 169,880.75 × 75,881.79
  4. Step 4: Simplify right side
    113,154.89x = 12,890,855,017.13
  5. Step 5: Solve for x
    x = 12,890,855,017.13/113,154.89
  6. Step 6: Final answer
    x = 113,922.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.