Home / 247,205.04-341,121.96-139,760.16

Finding the Fourth Proportional to 247,205.04, 341,121.96 and 139,760.16

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Solution

The fourth proportional to 247,205.04, 341,121.96 and 139,760.16 is: 192,857.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,205.04 : 341,121.96 = 139,760.16 : x
  2. Step 2: Convert to fraction form
    247,205.04/341,121.96 = 139,760.16/x
  3. Step 3: Cross multiply
    247,205.04x = 341,121.96 × 139,760.16
  4. Step 4: Simplify right side
    247,205.04x = 47,675,259,709.11
  5. Step 5: Solve for x
    x = 47,675,259,709.11/247,205.04
  6. Step 6: Final answer
    x = 192,857.15

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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.