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Finding the Fourth Proportional to 93,258.14, 139,928.51 and 48,874.29

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Solution

The fourth proportional to 93,258.14, 139,928.51 and 48,874.29 is: 73,333.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,258.14 : 139,928.51 = 48,874.29 : x
  2. Step 2: Convert to fraction form
    93,258.14/139,928.51 = 48,874.29/x
  3. Step 3: Cross multiply
    93,258.14x = 139,928.51 × 48,874.29
  4. Step 4: Simplify right side
    93,258.14x = 6,838,906,174.46
  5. Step 5: Solve for x
    x = 6,838,906,174.46/93,258.14
  6. Step 6: Final answer
    x = 73,333.08

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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.