Home / 247,111.85-341,010.65-139,678.11

Finding the Fourth Proportional to 247,111.85, 341,010.65 and 139,678.11

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Solution

The fourth proportional to 247,111.85, 341,010.65 and 139,678.11 is: 192,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,111.85 : 341,010.65 = 139,678.11 : x
  2. Step 2: Convert to fraction form
    247,111.85/341,010.65 = 139,678.11/x
  3. Step 3: Cross multiply
    247,111.85x = 341,010.65 × 139,678.11
  4. Step 4: Simplify right side
    247,111.85x = 47,631,722,383.48
  5. Step 5: Solve for x
    x = 47,631,722,383.48/247,111.85
  6. Step 6: Final answer
    x = 192,753.70

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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.