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Finding the Fourth Proportional to 173,056.55, 238,817.81 and 97,605.05

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Solution

The fourth proportional to 173,056.55, 238,817.81 and 97,605.05 is: 134,694.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,056.55 : 238,817.81 = 97,605.05 : x
  2. Step 2: Convert to fraction form
    173,056.55/238,817.81 = 97,605.05/x
  3. Step 3: Cross multiply
    173,056.55x = 238,817.81 × 97,605.05
  4. Step 4: Simplify right side
    173,056.55x = 23,309,823,797.92
  5. Step 5: Solve for x
    x = 23,309,823,797.92/173,056.55
  6. Step 6: Final answer
    x = 134,694.84

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Why These Related Problems?

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