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Finding the Fourth Proportional to 87,466.40, 131,005.20 and 87,466.40

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Solution

The fourth proportional to 87,466.40, 131,005.20 and 87,466.40 is: 131,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,466.40 : 131,005.20 = 87,466.40 : x
  2. Step 2: Convert to fraction form
    87,466.40/131,005.20 = 87,466.40/x
  3. Step 3: Cross multiply
    87,466.40x = 131,005.20 × 87,466.40
  4. Step 4: Simplify right side
    87,466.40x = 11,458,553,225.28
  5. Step 5: Solve for x
    x = 11,458,553,225.28/87,466.40
  6. Step 6: Final answer
    x = 131,005.20

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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.