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Finding the Fourth Proportional to 104,829, 144,667.26 and 60,117

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Solution

The fourth proportional to 104,829, 144,667.26 and 60,117 is: 82,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,829 : 144,667.26 = 60,117 : x
  2. Step 2: Convert to fraction form
    104,829/144,667.26 = 60,117/x
  3. Step 3: Cross multiply
    104,829x = 144,667.26 × 60,117
  4. Step 4: Simplify right side
    104,829x = 8,696,961,669.42
  5. Step 5: Solve for x
    x = 8,696,961,669.42/104,829
  6. Step 6: Final answer
    x = 82,963.32

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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.