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Finding the Fourth Proportional to 176,302.63, 243,263.41 and 104,705.11

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Solution

The fourth proportional to 176,302.63, 243,263.41 and 104,705.11 is: 144,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,302.63 : 243,263.41 = 104,705.11 : x
  2. Step 2: Convert to fraction form
    176,302.63/243,263.41 = 104,705.11/x
  3. Step 3: Cross multiply
    176,302.63x = 243,263.41 × 104,705.11
  4. Step 4: Simplify right side
    176,302.63x = 25,470,922,103.03
  5. Step 5: Solve for x
    x = 25,470,922,103.03/176,302.63
  6. Step 6: Final answer
    x = 144,472.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.