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Finding the Fourth Proportional to 115,885.10, 173,827.65 and 45,728.30

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Solution

The fourth proportional to 115,885.10, 173,827.65 and 45,728.30 is: 68,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,885.10 : 173,827.65 = 45,728.30 : x
  2. Step 2: Convert to fraction form
    115,885.10/173,827.65 = 45,728.30/x
  3. Step 3: Cross multiply
    115,885.10x = 173,827.65 × 45,728.30
  4. Step 4: Simplify right side
    115,885.10x = 7,948,842,927.50
  5. Step 5: Solve for x
    x = 7,948,842,927.50/115,885.10
  6. Step 6: Final answer
    x = 68,592.45

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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.