Home / 140,026.92-209,401.92-104,513.28

Finding the Fourth Proportional to 140,026.92, 209,401.92 and 104,513.28

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Solution

The fourth proportional to 140,026.92, 209,401.92 and 104,513.28 is: 156,293.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,026.92 : 209,401.92 = 104,513.28 : x
  2. Step 2: Convert to fraction form
    140,026.92/209,401.92 = 104,513.28/x
  3. Step 3: Cross multiply
    140,026.92x = 209,401.92 × 104,513.28
  4. Step 4: Simplify right side
    140,026.92x = 21,885,281,497.50
  5. Step 5: Solve for x
    x = 21,885,281,497.50/140,026.92
  6. Step 6: Final answer
    x = 156,293.39

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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.