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Finding the Fourth Proportional to 93,754.84, 140,798.32 and 89,880.08

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Solution

The fourth proportional to 93,754.84, 140,798.32 and 89,880.08 is: 134,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,754.84 : 140,798.32 = 89,880.08 : x
  2. Step 2: Convert to fraction form
    93,754.84/140,798.32 = 89,880.08/x
  3. Step 3: Cross multiply
    93,754.84x = 140,798.32 × 89,880.08
  4. Step 4: Simplify right side
    93,754.84x = 12,654,964,265.47
  5. Step 5: Solve for x
    x = 12,654,964,265.47/93,754.84
  6. Step 6: Final answer
    x = 134,979.32

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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.