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Finding the Fourth Proportional to 137,310.60, 205,812.30 and 58,411.40

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Solution

The fourth proportional to 137,310.60, 205,812.30 and 58,411.40 is: 87,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,310.60 : 205,812.30 = 58,411.40 : x
  2. Step 2: Convert to fraction form
    137,310.60/205,812.30 = 58,411.40/x
  3. Step 3: Cross multiply
    137,310.60x = 205,812.30 × 58,411.40
  4. Step 4: Simplify right side
    137,310.60x = 12,021,784,580.22
  5. Step 5: Solve for x
    x = 12,021,784,580.22/137,310.60
  6. Step 6: Final answer
    x = 87,551.76

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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.