Home / 227,078.12-313,392.44-125,114.04

Finding the Fourth Proportional to 227,078.12, 313,392.44 and 125,114.04

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Solution

The fourth proportional to 227,078.12, 313,392.44 and 125,114.04 is: 172,670.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,078.12 : 313,392.44 = 125,114.04 : x
  2. Step 2: Convert to fraction form
    227,078.12/313,392.44 = 125,114.04/x
  3. Step 3: Cross multiply
    227,078.12x = 313,392.44 × 125,114.04
  4. Step 4: Simplify right side
    227,078.12x = 39,209,792,864.81
  5. Step 5: Solve for x
    x = 39,209,792,864.81/227,078.12
  6. Step 6: Final answer
    x = 172,670.94

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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.