Home / 185,214.58-255,597.32-100,331.58

Finding the Fourth Proportional to 185,214.58, 255,597.32 and 100,331.58

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Solution

The fourth proportional to 185,214.58, 255,597.32 and 100,331.58 is: 138,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,214.58 : 255,597.32 = 100,331.58 : x
  2. Step 2: Convert to fraction form
    185,214.58/255,597.32 = 100,331.58/x
  3. Step 3: Cross multiply
    185,214.58x = 255,597.32 × 100,331.58
  4. Step 4: Simplify right side
    185,214.58x = 25,644,482,959.37
  5. Step 5: Solve for x
    x = 25,644,482,959.37/185,214.58
  6. Step 6: Final answer
    x = 138,458.23

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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.