Home / 247,119.10-341,020.66-139,685.35

Finding the Fourth Proportional to 247,119.10, 341,020.66 and 139,685.35

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Solution

The fourth proportional to 247,119.10, 341,020.66 and 139,685.35 is: 192,763.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,119.10 : 341,020.66 = 139,685.35 : x
  2. Step 2: Convert to fraction form
    247,119.10/341,020.66 = 139,685.35/x
  3. Step 3: Cross multiply
    247,119.10x = 341,020.66 × 139,685.35
  4. Step 4: Simplify right side
    247,119.10x = 47,635,590,249.33
  5. Step 5: Solve for x
    x = 47,635,590,249.33/247,119.10
  6. Step 6: Final answer
    x = 192,763.69

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1.5x scale

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.