Home / 185,267.42-255,669.96-100,384.48

Finding the Fourth Proportional to 185,267.42, 255,669.96 and 100,384.48

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Solution

The fourth proportional to 185,267.42, 255,669.96 and 100,384.48 is: 138,531.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,267.42 : 255,669.96 = 100,384.48 : x
  2. Step 2: Convert to fraction form
    185,267.42/255,669.96 = 100,384.48/x
  3. Step 3: Cross multiply
    185,267.42x = 255,669.96 × 100,384.48
  4. Step 4: Simplify right side
    185,267.42x = 25,665,295,986.22
  5. Step 5: Solve for x
    x = 25,665,295,986.22/185,267.42
  6. Step 6: Final answer
    x = 138,531.08

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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.