Home / 185,262.06-255,661.71-100,379.13

Finding the Fourth Proportional to 185,262.06, 255,661.71 and 100,379.13

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Solution

The fourth proportional to 185,262.06, 255,661.71 and 100,379.13 is: 138,523.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,262.06 : 255,661.71 = 100,379.13 : x
  2. Step 2: Convert to fraction form
    185,262.06/255,661.71 = 100,379.13/x
  3. Step 3: Cross multiply
    185,262.06x = 255,661.71 × 100,379.13
  4. Step 4: Simplify right side
    185,262.06x = 25,663,100,024.11
  5. Step 5: Solve for x
    x = 25,663,100,024.11/185,262.06
  6. Step 6: Final answer
    x = 138,523.24

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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.