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Finding the Fourth Proportional to 93,868.72, 140,804 and 36,948.40

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Solution

The fourth proportional to 93,868.72, 140,804 and 36,948.40 is: 55,422.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,868.72 : 140,804 = 36,948.40 : x
  2. Step 2: Convert to fraction form
    93,868.72/140,804 = 36,948.40/x
  3. Step 3: Cross multiply
    93,868.72x = 140,804 × 36,948.40
  4. Step 4: Simplify right side
    93,868.72x = 5,202,482,513.60
  5. Step 5: Solve for x
    x = 5,202,482,513.60/93,868.72
  6. Step 6: Final answer
    x = 55,422.96

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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.