Home / 126,786.09-174,963.33-69,424.86

Finding the Fourth Proportional to 126,786.09, 174,963.33 and 69,424.86

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Solution

The fourth proportional to 126,786.09, 174,963.33 and 69,424.86 is: 95,805.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,786.09 : 174,963.33 = 69,424.86 : x
  2. Step 2: Convert to fraction form
    126,786.09/174,963.33 = 69,424.86/x
  3. Step 3: Cross multiply
    126,786.09x = 174,963.33 × 69,424.86
  4. Step 4: Simplify right side
    126,786.09x = 12,146,804,690.38
  5. Step 5: Solve for x
    x = 12,146,804,690.38/126,786.09
  6. Step 6: Final answer
    x = 95,805.50

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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.