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Finding the Fourth Proportional to 93,797, 140,730.06 and 49,421.96

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Solution

The fourth proportional to 93,797, 140,730.06 and 49,421.96 is: 74,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,797 : 140,730.06 = 49,421.96 : x
  2. Step 2: Convert to fraction form
    93,797/140,730.06 = 49,421.96/x
  3. Step 3: Cross multiply
    93,797x = 140,730.06 × 49,421.96
  4. Step 4: Simplify right side
    93,797x = 6,955,155,396.12
  5. Step 5: Solve for x
    x = 6,955,155,396.12/93,797
  6. Step 6: Final answer
    x = 74,151.15

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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.