Home / 187,031.06-280,544.31-126,910.60

Finding the Fourth Proportional to 187,031.06, 280,544.31 and 126,910.60

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Solution

The fourth proportional to 187,031.06, 280,544.31 and 126,910.60 is: 190,364.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,031.06 : 280,544.31 = 126,910.60 : x
  2. Step 2: Convert to fraction form
    187,031.06/280,544.31 = 126,910.60/x
  3. Step 3: Cross multiply
    187,031.06x = 280,544.31 × 126,910.60
  4. Step 4: Simplify right side
    187,031.06x = 35,604,046,007.33
  5. Step 5: Solve for x
    x = 35,604,046,007.33/187,031.06
  6. Step 6: Final answer
    x = 190,364.35

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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.