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Finding the Fourth Proportional to 93,969.60, 131,732.40 and 93,969.60

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Solution

The fourth proportional to 93,969.60, 131,732.40 and 93,969.60 is: 131,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,969.60 : 131,732.40 = 93,969.60 : x
  2. Step 2: Convert to fraction form
    93,969.60/131,732.40 = 93,969.60/x
  3. Step 3: Cross multiply
    93,969.60x = 131,732.40 × 93,969.60
  4. Step 4: Simplify right side
    93,969.60x = 12,378,840,935.04
  5. Step 5: Solve for x
    x = 12,378,840,935.04/93,969.60
  6. Step 6: Final answer
    x = 131,732.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.