Home / 185,137.39-255,488.14-100,254.45

Finding the Fourth Proportional to 185,137.39, 255,488.14 and 100,254.45

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Solution

The fourth proportional to 185,137.39, 255,488.14 and 100,254.45 is: 138,350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,137.39 : 255,488.14 = 100,254.45 : x
  2. Step 2: Convert to fraction form
    185,137.39/255,488.14 = 100,254.45/x
  3. Step 3: Cross multiply
    185,137.39x = 255,488.14 × 100,254.45
  4. Step 4: Simplify right side
    185,137.39x = 25,613,824,040.62
  5. Step 5: Solve for x
    x = 25,613,824,040.62/185,137.39
  6. Step 6: Final answer
    x = 138,350.36

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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.