Home / 247,142.33-341,071.12-139,722.36

Finding the Fourth Proportional to 247,142.33, 341,071.12 and 139,722.36

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Solution

The fourth proportional to 247,142.33, 341,071.12 and 139,722.36 is: 192,825.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,142.33 : 341,071.12 = 139,722.36 : x
  2. Step 2: Convert to fraction form
    247,142.33/341,071.12 = 139,722.36/x
  3. Step 3: Cross multiply
    247,142.33x = 341,071.12 × 139,722.36
  4. Step 4: Simplify right side
    247,142.33x = 47,655,260,709.88
  5. Step 5: Solve for x
    x = 47,655,260,709.88/247,142.33
  6. Step 6: Final answer
    x = 192,825.17

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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.