Home / 126,011.04-188,960.85-66,833.16

Finding the Fourth Proportional to 126,011.04, 188,960.85 and 66,833.16

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Solution

The fourth proportional to 126,011.04, 188,960.85 and 66,833.16 is: 100,220.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,011.04 : 188,960.85 = 66,833.16 : x
  2. Step 2: Convert to fraction form
    126,011.04/188,960.85 = 66,833.16/x
  3. Step 3: Cross multiply
    126,011.04x = 188,960.85 × 66,833.16
  4. Step 4: Simplify right side
    126,011.04x = 12,628,850,721.79
  5. Step 5: Solve for x
    x = 12,628,850,721.79/126,011.04
  6. Step 6: Final answer
    x = 100,220.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.