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Finding the Fourth Proportional to 93,114.19, 139,672.56 and 26,554.32

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Solution

The fourth proportional to 93,114.19, 139,672.56 and 26,554.32 is: 39,831.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,114.19 : 139,672.56 = 26,554.32 : x
  2. Step 2: Convert to fraction form
    93,114.19/139,672.56 = 26,554.32/x
  3. Step 3: Cross multiply
    93,114.19x = 139,672.56 × 26,554.32
  4. Step 4: Simplify right side
    93,114.19x = 3,708,910,269.03
  5. Step 5: Solve for x
    x = 3,708,910,269.03/93,114.19
  6. Step 6: Final answer
    x = 39,831.85

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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.