Home / 185,053.41-255,373.43-100,170.81

Finding the Fourth Proportional to 185,053.41, 255,373.43 and 100,170.81

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Solution

The fourth proportional to 185,053.41, 255,373.43 and 100,170.81 is: 138,235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,053.41 : 255,373.43 = 100,170.81 : x
  2. Step 2: Convert to fraction form
    185,053.41/255,373.43 = 100,170.81/x
  3. Step 3: Cross multiply
    185,053.41x = 255,373.43 × 100,170.81
  4. Step 4: Simplify right side
    185,053.41x = 25,580,962,834.72
  5. Step 5: Solve for x
    x = 25,580,962,834.72/185,053.41
  6. Step 6: Final answer
    x = 138,235.57

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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.