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Finding the Fourth Proportional to 93,493.97, 140,157.58 and 34,315.91

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Solution

The fourth proportional to 93,493.97, 140,157.58 and 34,315.91 is: 51,443.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,493.97 : 140,157.58 = 34,315.91 : x
  2. Step 2: Convert to fraction form
    93,493.97/140,157.58 = 34,315.91/x
  3. Step 3: Cross multiply
    93,493.97x = 140,157.58 × 34,315.91
  4. Step 4: Simplify right side
    93,493.97x = 4,809,634,901.10
  5. Step 5: Solve for x
    x = 4,809,634,901.10/93,493.97
  6. Step 6: Final answer
    x = 51,443.26

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Why These Related Problems?

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