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Finding the Fourth Proportional to 93,285.28, 139,927.87 and 34,088.65

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Solution

The fourth proportional to 93,285.28, 139,927.87 and 34,088.65 is: 51,132.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,285.28 : 139,927.87 = 34,088.65 : x
  2. Step 2: Convert to fraction form
    93,285.28/139,927.87 = 34,088.65/x
  3. Step 3: Cross multiply
    93,285.28x = 139,927.87 × 34,088.65
  4. Step 4: Simplify right side
    93,285.28x = 4,769,952,185.68
  5. Step 5: Solve for x
    x = 4,769,952,185.68/93,285.28
  6. Step 6: Final answer
    x = 51,132.96

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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.